USN-5810-2: Git regression

Publication date

19 January 2023

Overview

USN-5810-1 introduced a regression in Git.


Packages

  • git - fast, scalable, distributed revision control system

Details

USN-5810-1 fixed vulnerabilities in Git. This update introduced a regression as it
was missing some commit lines. This update fixes the problem.

Original advisory details:

Markus Vervier and Eric Sesterhenn discovered that Git incorrectly handled certain
gitattributes. An attacker could possibly use this issue to cause a crash
or execute arbitrary code. (CVE-2022-23521)

Joern Schneeweisz discovered that Git incorrectly handled certain commands.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2022-41903)

USN-5810-1 fixed vulnerabilities in Git. This update introduced a regression as it
was missing some commit lines. This update fixes the problem.

Original advisory details:

Markus Vervier and Eric Sesterhenn discovered that Git incorrectly handled certain
gitattributes. An attacker could possibly use this issue to cause a crash
or execute arbitrary code. (CVE-2022-23521)

Joern Schneeweisz discovered that Git incorrectly handled certain commands.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2022-41903)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 LTS focal git –  1:2.25.1-1ubuntu3.8
18.04 LTS bionic git –  1:2.17.1-1ubuntu0.15

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