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Rackspace: Ransomware Attack Bypassed ProxyNotShell Mitigations

The hosting provider had not applied Microsoft's new patch due to publicly reported issues with the update.

DARKReading
#vulnerability#microsoft#rce#ssrf#auth#zero_day
CVE-2023-22457: Remote code execution via CSRF using the HTMLConverter

CKEditor Integration UI adds support for editing wiki pages using CKEditor. Prior to versions 1.64.3,t he `CKEditor.HTMLConverter` document lacked a protection against Cross-Site Request Forgery (CSRF), allowing to execute macros with the rights of the current user. If a privileged user with programming rights was tricked into executing a GET request to this document with certain parameters (e.g., via an image with a corresponding URL embedded in a comment or via a redirect), this would allow arbitrary remote code execution and the attacker could gain rights, access private information or impact the availability of the wiki. The issue has been patched in the CKEditor Integration version 1.64.3. This has also been patched in the version of the CKEditor integration that is bundled starting with XWiki 14.6 RC1. There are no known workarounds for this other than upgrading the CKEditor integration to a fixed version.

Nexxt Router Firmware 42.103.1.5095 Remote Code Execution

Nexxt Router Firmware version 42.103.1.5095 authenticated remote code execution exploit that enables telnetd.

Synology Releases Patch for Critical RCE Vulnerability Affecting VPN Plus Servers

Synology has released security updates to address a critical flaw impacting VPN Plus Server that could be exploited to take over affected systems. Tracked as CVE-2022-43931, the vulnerability carries a maximum severity rating of 10 on the CVSS scale and has been described as an out-of-bounds write bug in the remote desktop functionality in Synology VPN Plus Server. Successful exploitation of the

CVE-2022-32665: January 2023

In Boa, there is a possible command injection due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20220026; Issue ID: OSBNB00144124.

GHSA-fprr-rrm8-4534: Apache Dubbo vulnerable to remote code execution via Telnet Handler

Apache Dubbo is a Java based, open source RPC framework. Versions prior to 2.6.10 and 2.7.10 are vulnerable to pre-authorization remote code execution via arbitrary bean manipulation in the Telnet handler. The Dubbo main service port can be used to access a Telnet Handler which offers some basic methods to collect information about the providers and methods exposed by the service and it can even allow to shutdown the service. This endpoint is unprotected. Additionally, a provider method can be invoked using the `invoke` handler. This handler uses a safe version of FastJson to process the call arguments. However, the resulting list is later processed with `PojoUtils.realize` which can be used to instantiate arbitrary classes and invoke its setters. Even though FastJson is properly protected with a default blocklist, `PojoUtils.realize` is not, and an attacker can leverage that to achieve remote code execution. Versions 2.6.10 and 2.7.10 contain fixes for this issue.

CVE-2021-32824: GHSL-2021-034_043: Multiple pre-auth RCEs in Apache Dubbo - CVE-2021-25641, CVE-2021-30179, CVE-2021-30180, CVE-2021-30181, CVE-2021-32824

Apache Dubbo is a java based, open source RPC framework. Versions prior to 2.6.10 and 2.7.10 are vulnerable to pre-auth remote code execution via arbitrary bean manipulation in the Telnet handler. The Dubbo main service port can be used to access a Telnet Handler which offers some basic methods to collect information about the providers and methods exposed by the service and it can even allow to shutdown the service. This endpoint is unprotected. Additionally, a provider method can be invoked using the `invoke` handler. This handler uses a safe version of FastJson to process the call arguments. However, the resulting list is later processed with `PojoUtils.realize` which can be used to instantiate arbitrary classes and invoke its setters. Even though FastJson is properly protected with a default blocklist, `PojoUtils.realize` is not, and an attacker can leverage that to achieve remote code execution. Versions 2.6.10 and 2.7.10 contain fixes for this issue.

SugarCRM Shell Upload

SugarCRM versions up to 12.2.0 suffer from a remote shell upload vulnerability.