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Ubuntu 22.10: 5760-1 Critical: libxml2 Crash And Information Exposure

ubuntu
Calendar Grey December 5, 2022
Dist Ubuntu Esm H88
Severe libxml2 flaws identified on Ubuntu, risk of application failures and sensitive data leaks. Urgent update suggested.
Several security issues were fixed in libxml2.

Summary

Several security issues were fixed in libxml2.

Software Description:

- libxml2: GNOME XML library

Details:

It was discovered that libxml2 incorrectly handled certain XML files.

An attacker could possibly use this issue to cause a crash.

(CVE-2022-2309)

It was discovered that libxml2 incorrectly handled certain XML files.

An attacker could possibly use this issue to expose sensitive information

or cause a crash. (CVE-2022-40303)

It was discovered that libxml2 incorrectly handled certain XML files.

An attacker could possibly use this issue to execute arbitrary code.

(CVE-2022-40304)

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu libxml2 crash

Update Instructions

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

Ubuntu 22.10:
  libxml2                         2.9.14+dfsg-1ubuntu0.1
  libxml2-utils                   2.9.14+dfsg-1ubuntu0.1

Ubuntu 22.04 LTS:
  libxml2                         2.9.13+dfsg-1ubuntu0.2
  libxml2-utils                   2.9.13+dfsg-1ubuntu0.2

Ubuntu 20.04 LTS:
  libxml2                         2.9.10+dfsg-5ubuntu0.20.04.5
  libxml2-utils                   2.9.10+dfsg-5ubuntu0.20.04.5

Ubuntu 18.04 LTS:
  libxml2                         2.9.4+dfsg1-6.1ubuntu1.8
  libxml2-utils                   2.9.4+dfsg1-6.1ubuntu1.8

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

References

https://ubuntu.com/security/notices/USN-5760-1

CVE-2022-2309, CVE-2022-40303, CVE-2022-40304

Severity
critical
Lowest
Low
Medium
High
Critical

December 05, 2022

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu libxml2 crash

Package Information

https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.5

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