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U.S. Cybersecurity Agency Adds 6 Flaws to Known Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency has added a batch of six flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. This comprises three vulnerabilities that Apple patched this week (CVE-2023-32434, CVE-2023-32435, and CVE-2023-32439), two flaws in VMware (CVE-2023-20867 and CVE-2023-20887), and one shortcoming impacting Zyxel

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#vulnerability#ios#mac#apple#dos#vmware#zero_day#The Hacker News

The U.S. Cybersecurity and Infrastructure Security Agency has added a batch of six flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.

This comprises three vulnerabilities that Apple patched this week (CVE-2023-32434, CVE-2023-32435, and CVE-2023-32439), two flaws in VMware (CVE-2023-20867 and CVE-2023-20887), and one shortcoming impacting Zyxel devices (CVE-2023-27992).

CVE-2023-32434 and CVE-2023-32435, both of which allow code execution, are said to have been exploited as zero-days to deploy spyware as part of a years-long cyber espionage campaign that commenced in 2019.

Dubbed Operation Triangulation, the activity culminates in the deployment of TriangleDB that’s designed to harvest a wide range of information from compromised devices, such as creating, modifying, removing, and stealing files, listing and terminating processes, gathering credentials from iCloud Keychain, and tracking a user’s location.

The attack chain begins with the targeted victim receiving an iMessage with an attachment that automatically triggers the execution of the payload without requiring any interaction, making it a zero-click exploit.

“The malicious message is malformed and does not trigger any alerts or notifications for [the] user,” Kaspersky noted in its initial report.

CVE-2023-32434 and CVE-2023-32435 are two of many vulnerabilities in iOS that have been abused in the espionage attack. One among them is CVE-2022-46690, a high-severity out-of-bounds write issue in IOMobileFrameBuffer that could be weaponized by a rogue app to execute arbitrary code with kernel privileges.

The weakness was remediated by Apple with improved input validation in December 2022.

Kaspersky flagged TriangleDB as containing unused features referencing macOS as well as permissions seeking access to the device’s microphone, camera, and the address book that it said could be leveraged at a future date.

The Russian cybersecurity company’s investigation into Operation Triangulation began at the start of the year when it detected the compromise in its own enterprise network.

In light of active exploitation, Federal Civilian Executive Branch (FCEB) agencies are recommended to apply vendor-provided patches to secure their networks against potential threats.

The development comes as CISA issued an alert warning of three bugs in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could pave the way for a denial-of-service (DoS) condition.

The flaws – CVE-2023-2828, CVE-2023-2829, and CVE-2023-2911 (CVSS scores: 7.5) – could be exploited remotely, resulting in the unexpected termination of the named BIND9 service or exhaustion of all available memory on the host running named, leading to DoS.

This is the second time in less than six months that the Internet Systems Consortium (ISC) has released patches to resolve similar issues in BIND9 that could cause DoS and system failures.

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High-Severity Flaws Uncovered in Atlassian Products and ISC BIND Server

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RHSA-2023:4225: Red Hat Security Advisory: OpenShift Container Platform 4.13.6 security and extras update

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Debian Security Advisory 5439-1

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CVE-2023-32434: About the security content of macOS Big Sur 11.7.8

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Big Sur 11.7.8, macOS Monterey 12.6.7, macOS Ventura 13.4.1, watchOS 9.5.2. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

CVE-2023-32439: About the security content of Safari 16.5.1

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, Safari 16.5.1, macOS Ventura 13.4.1, iOS 15.7.7 and iPadOS 15.7.7. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Ubuntu Security Notice USN-6183-1

Ubuntu Security Notice 6183-1 - Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled the cache size limit. A remote attacker could possibly use this issue to consume memory, leading to a denial of service. It was discovered that Bind incorrectly handled the recursive-clients quota. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04.

Ubuntu Security Notice USN-6183-1

Ubuntu Security Notice 6183-1 - Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled the cache size limit. A remote attacker could possibly use this issue to consume memory, leading to a denial of service. It was discovered that Bind incorrectly handled the recursive-clients quota. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04.

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Apple on Wednesday released a slew of updates for iOS, iPadOS, macOS, watchOS, and Safari browser to address a set of flaws it said were actively exploited in the wild. This includes a pair of zero-days that have been weaponized in a mobile surveillance campaign called Operation Triangulation that has been active since 2019. The exact threat actor behind the campaign is not known.

Zero-Day Alert: Apple Releases Patches for Actively Exploited Flaws in iOS, macOS, and Safari

Apple on Wednesday released a slew of updates for iOS, iPadOS, macOS, watchOS, and Safari browser to address a set of flaws it said were actively exploited in the wild. This includes a pair of zero-days that have been weaponized in a mobile surveillance campaign called Operation Triangulation that has been active since 2019. The exact threat actor behind the campaign is not known.

Zero-Day Alert: Apple Releases Patches for Actively Exploited Flaws in iOS, macOS, and Safari

Apple on Wednesday released a slew of updates for iOS, iPadOS, macOS, watchOS, and Safari browser to address a set of flaws it said were actively exploited in the wild. This includes a pair of zero-days that have been weaponized in a mobile surveillance campaign called Operation Triangulation that has been active since 2019. The exact threat actor behind the campaign is not known.

Update now! Apple fixes three actively exploited vulnerabilities

Categories: Apple Categories: Exploits and vulnerabilities Categories: News Tags: Apple Tags: kernel webkit Tags: CVE-2023-32434 Tags: CVE-2023-32435 Tags: CVE-2023-32439 Tags: type confusion Tags: integer overflow Tags: operation triangulation Apple has released security updates for several products to address a set of flaws it said were being actively exploited. (Read more...) The post Update now! Apple fixes three actively exploited vulnerabilities appeared first on Malwarebytes Labs.

Update now! Apple fixes three actively exploited vulnerabilities

Categories: Apple Categories: Exploits and vulnerabilities Categories: News Tags: Apple Tags: kernel webkit Tags: CVE-2023-32434 Tags: CVE-2023-32435 Tags: CVE-2023-32439 Tags: type confusion Tags: integer overflow Tags: operation triangulation Apple has released security updates for several products to address a set of flaws it said were being actively exploited. (Read more...) The post Update now! Apple fixes three actively exploited vulnerabilities appeared first on Malwarebytes Labs.

Update now! Apple fixes three actively exploited vulnerabilities

Categories: Apple Categories: Exploits and vulnerabilities Categories: News Tags: Apple Tags: kernel webkit Tags: CVE-2023-32434 Tags: CVE-2023-32435 Tags: CVE-2023-32439 Tags: type confusion Tags: integer overflow Tags: operation triangulation Apple has released security updates for several products to address a set of flaws it said were being actively exploited. (Read more...) The post Update now! Apple fixes three actively exploited vulnerabilities appeared first on Malwarebytes Labs.

Reducing your attack surface is more effective than playing patch-a-mole

Categories: News Tags: CISA Tags: BOD 23-02 Tags: Internet exposed Tags: management interfaces Tags: vulnerabilities Tags: CVE-2023-27992 Tags: CVE-2023-20887 There is a lot to be said for the strategy of shielding management interfaces from public internet access (Read more...) The post Reducing your attack surface is more effective than playing patch-a-mole appeared first on Malwarebytes Labs.

Reducing your attack surface is more effective than playing patch-a-mole

Categories: News Tags: CISA Tags: BOD 23-02 Tags: Internet exposed Tags: management interfaces Tags: vulnerabilities Tags: CVE-2023-27992 Tags: CVE-2023-20887 There is a lot to be said for the strategy of shielding management interfaces from public internet access (Read more...) The post Reducing your attack surface is more effective than playing patch-a-mole appeared first on Malwarebytes Labs.

SMB Edge Devices Walloped With Asus, Zyxel Patch Warnings

A slew of critical advisories this week showcase an exploding edge device attack surface for SMBs, which have limited cybersecurity protection, visibility, and maintenance available.

CVE-2023-2828: CVE-2023-2828

Every `named` instance configured to run as a recursive resolver maintains a cache database holding the responses to the queries it has recently sent to authoritative servers. The size limit for that cache database can be configured using the `max-cache-size` statement in the configuration file; it defaults to 90% of the total amount of memory available on the host. When the size of the cache reaches 7/8 of the configured limit, a cache-cleaning algorithm starts to remove expired and/or least-recently used RRsets from the cache, to keep memory use below the configured limit. It has been discovered that the effectiveness of the cache-cleaning algorithm used in `named` can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured `max-cache-size` limit to be significantly exceeded. This issue affects BIND 9 versions 9.11.0 through 9.16.41, 9.18.0 through 9.18.15, 9.19.0 through 9.19.13, 9.11.3-S1 through 9.16.41-S1, and 9...

CVE-2023-2829: CVE-2023-2829

A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

CVE-2023-2911: CVE-2023-2911

If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.

Alert! Hackers Exploiting Critical Vulnerability in VMware's Aria Operations Networks

VMware has flagged that a recently patched critical command injection vulnerability in Aria Operations for Networks (formerly vRealize Network Insight) has come under active exploitation in the wild. The flaw, tracked as CVE-2023-20887, could allow a malicious actor with network access to the product to perform a command injection attack, resulting in remote code execution. It impacts VMware

Alert! Hackers Exploiting Critical Vulnerability in VMware's Aria Operations Networks

VMware has flagged that a recently patched critical command injection vulnerability in Aria Operations for Networks (formerly vRealize Network Insight) has come under active exploitation in the wild. The flaw, tracked as CVE-2023-20887, could allow a malicious actor with network access to the product to perform a command injection attack, resulting in remote code execution. It impacts VMware

Zyxel Releases Urgent Security Updates for Critical Vulnerability in NAS Devices

Zyxel has rolled out security updates to address a critical security flaw in its network-attached storage (NAS) devices that could result in the execution of arbitrary commands on affected systems. Tracked as CVE-2023-27992 (CVSS score: 9.8), the issue has been described as a pre-authentication command injection vulnerability. "The pre-authentication command injection vulnerability in some Zyxel

CVE-2023-27992

The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.

Chinese Hackers Exploit VMware Zero-Day to Backdoor Windows and Linux Systems

The Chinese state-sponsored group known as UNC3886 has been found to exploit a zero-day flaw in VMware ESXi hosts to backdoor Windows and Linux systems. The VMware Tools authentication bypass vulnerability, tracked as CVE-2023-20867 (CVSS score: 3.9), "enabled the execution of privileged commands across Windows, Linux, and PhotonOS (vCenter) guest VMs without authentication of guest credentials

Chinese Hackers Exploit VMware Zero-Day to Backdoor Windows and Linux Systems

The Chinese state-sponsored group known as UNC3886 has been found to exploit a zero-day flaw in VMware ESXi hosts to backdoor Windows and Linux systems. The VMware Tools authentication bypass vulnerability, tracked as CVE-2023-20867 (CVSS score: 3.9), "enabled the execution of privileged commands across Windows, Linux, and PhotonOS (vCenter) guest VMs without authentication of guest credentials

CVE-2023-20867: VMSA-2023-0013

A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

VMware patches critical vulnerabilities in Aria Operations for Networks

Categories: Exploits and vulnerabilities Categories: News Tags: cve-2023-20887 Tags: cve-2023-20888 Tags: cve-2023-20889 Tags: vmware Tags: Aria Operations for Networks Tags: RCE Tags: information disclosure Tags: deserialization Tags: command injection VMware has released security updates to fix a trio of flaws in Aria Operations for Networks that could result in information disclosure and remote code execution (Read more...) The post VMware patches critical vulnerabilities in Aria Operations for Networks appeared first on Malwarebytes Labs.

Urgent Security Updates: Cisco and VMware Address Critical Vulnerabilities

VMware has released security updates to fix a trio of flaws in Aria Operations for Networks that could result in information disclosure and remote code execution. The most critical of the three vulnerabilities is a command injection vulnerability tracked as CVE-2023-20887 (CVSS score: 9.8) that could allow a malicious actor with network access to achieve remote code execution. Also patched by

CVE-2023-20889: VMSA-2023-0012

Aria Operations for Networks contains an information disclosure vulnerability. A malicious actor with network access to VMware Aria Operations for Networks may be able to perform a command injection attack resulting in information disclosure.

Kaspersky Reveals iPhones of Employees Infected with Spyware

By Waqas The researchers discovered the oldest traces of infection in 2019, and it is believed that the attack is still active. This is a post from HackRead.com Read the original post: Kaspersky Reveals iPhones of Employees Infected with Spyware

Kaspersky Says New Zero-Day Malware Hit iPhones—Including Its Own

On the same day, Russia’s FSB intelligence service launched wild claims of NSA and Apple hacking thousands of Russians.

Apple Security Advisory 2022-12-13-8

Apple Security Advisory 2022-12-13-8 - watchOS 9.2 addresses bypass, code execution, integer overflow, out of bounds write, spoofing, and use-after-free vulnerabilities.

Apple Security Advisory 2022-12-13-7

Apple Security Advisory 2022-12-13-7 - tvOS 16.2 addresses bypass, code execution, integer overflow, out of bounds write, spoofing, and use-after-free vulnerabilities.

Apple Security Advisory 2022-12-13-4

Apple Security Advisory 2022-12-13-4 - macOS Ventura 13.1 addresses bypass, code execution, out of bounds access, out of bounds write, spoofing, and use-after-free vulnerabilities.

Apple Security Advisory 2022-12-13-1

Apple Security Advisory 2022-12-13-1 - iOS 16.2 and iPadOS 16.2 addresses bypass, code execution, out of bounds write, spoofing, and use-after-free vulnerabilities.

CVE-2022-46701: About the security content of macOS Ventura 13.1

The issue was addressed with improved bounds checks. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1, tvOS 16.2. Connecting to a malicious NFS server may lead to arbitrary code execution with kernel privileges.

CVE-2022-46702: About the security content of iOS 16.2 and iPadOS 16.2

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.2 and iPadOS 16.2. An app may be able to disclose kernel memory.