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Ubuntu Security Notice USN-5422-1

Ubuntu Security Notice 5422-1 - Shinji Sato discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

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#vulnerability#ubuntu#dos

==========================================================================
Ubuntu Security Notice USN-5422-1
May 16, 2022

libxml2 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 22.04 LTS
  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:

  • libxml2: GNOME XML library

Details:

Shinji Sato discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. (CVE-2022-23308)

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2022-29824)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
libxml2 2.9.13+dfsg-1ubuntu0.1
libxml2-utils 2.9.13+dfsg-1ubuntu0.1

Ubuntu 21.10:
libxml2 2.9.12+dfsg-4ubuntu0.2
libxml2-utils 2.9.12+dfsg-4ubuntu0.2

Ubuntu 20.04 LTS:
libxml2 2.9.10+dfsg-5ubuntu0.20.04.3
libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.3

Ubuntu 18.04 LTS:
libxml2 2.9.4+dfsg1-6.1ubuntu1.6
libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.6

Ubuntu 16.04 ESM:
libxml2 2.9.3+dfsg1-1ubuntu0.7+esm2
libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm2

Ubuntu 14.04 ESM:
libxml2 2.9.1+dfsg1-3ubuntu4.13+esm3
libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm3

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5422-1
CVE-2022-23308, CVE-2022-29824

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml2/2.9.12+dfsg-4ubuntu0.2
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.3
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.6

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CVE-2022-22673: About the security content of iOS 15.5 and iPadOS 15.5

This issue was addressed with improved checks. This issue is fixed in iOS 15.5 and iPadOS 15.5. Processing a large input may lead to a denial of service.

CVE-2022-22675: About the security content of macOS Big Sur 11.6.6

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.3.1, iOS 15.4.1 and iPadOS 15.4.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Apple Security Advisory 2022-05-16-6

Apple Security Advisory 2022-05-16-6 - tvOS 15.5 addresses bypass, code execution, integer overflow, out of bounds access, out of bounds write, and use-after-free vulnerabilities.

Apple Security Advisory 2022-05-16-5

Apple Security Advisory 2022-05-16-5 - watchOS 8.6 addresses bypass, code execution, integer overflow, out of bounds access, out of bounds write, and use-after-free vulnerabilities.

Apple Security Advisory 2022-05-16-4

Apple Security Advisory 2022-05-16-4 - Security Update 2022-004 Catalina addresses bypass, code execution, denial of service, integer overflow, out of bounds access, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

Apple Security Advisory 2022-05-16-3

Apple Security Advisory 2022-05-16-3 - macOS Big Sur 11.6.6 addresses bypass, code execution, denial of service, out of bounds access, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

Apple Security Advisory 2022-05-16-2

Apple Security Advisory 2022-05-16-2 - macOS Monterey 12.4 addresses buffer overflow, bypass, code execution, denial of service, integer overflow, out of bounds access, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

Red Hat Security Advisory 2022-1747-01

Red Hat Security Advisory 2022-1747-01 - OpenShift Serverless version 1.22.0 contains a moderate security impact. The References section contains CVE links providing detailed severity ratings for each vulnerability.

CVE-2022-29824: v2.9.14 · Tags · GNOME / libxml2

In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.

CVE-2022-23308: NEWS · v2.9.13 · GNOME / libxml2

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

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