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Ubuntu Security Notice USN-5810-3

Ubuntu Security Notice USN-5810-3
Posted Feb 8, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5810-3 - USN-5810-1 fixed several vulnerabilities in Git. This update provides the corresponding update for Ubuntu 16.04 ESM. 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.

tags | advisory, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-23521, CVE-2022-41903
SHA-256 | ddefb38e6746c1ce9fb7aac486ac5ea3f7c6b269887f093d613429174a76fa2b

Ubuntu Security Notice USN-5810-3

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-5810-3
February 07, 2023

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

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Git.

Software Description:
- git: fast, scalable, distributed revision control system

Details:

USN-5810-1 fixed several vulnerabilities in Git. This update provides
the corresponding update for Ubuntu 16.04 ESM.

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:

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

Ubuntu 16.04 ESM:
git 1:2.7.4-0ubuntu1.10+esm4

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

References:
https://ubuntu.com/security/notices/USN-5810-3
https://ubuntu.com/security/notices/USN-5810-1
CVE-2022-23521, CVE-2022-41903
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