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Ubuntu Security Notice USN-5686-1

Ubuntu Security Notice USN-5686-1
Posted Oct 18, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5686-1 - Cory Snider discovered that Git incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause an unexpected behaviour. Kevin Backhouse discovered that Git incorrectly handled certain command strings. An attacker could possibly use this issue to arbitrary code execution.

tags | advisory, arbitrary, code execution
systems | linux, ubuntu
advisories | CVE-2022-39253, CVE-2022-39260
SHA-256 | c699a9bd555fb4922c18021b0fbfc11f65ddedf4fd6d1d4bb837d79ba1110921

Ubuntu Security Notice USN-5686-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-5686-1
October 18, 2022

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Git.

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

Details:

Cory Snider discovered that Git incorrectly handled certain symbolic links.
An attacker could possibly use this issue to cause an unexpected behaviour.
(CVE-2022-39253)

Kevin Backhouse discovered that Git incorrectly handled certain command strings.
An attacker could possibly use this issue to arbitrary code execution.
(CVE-2022-39260)

Update instructions:

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

Ubuntu 22.04 LTS:
git 1:2.34.1-1ubuntu1.5

Ubuntu 20.04 LTS:
git 1:2.25.1-1ubuntu3.6

Ubuntu 18.04 LTS:
git 1:2.17.1-1ubuntu0.13

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

References:
https://ubuntu.com/security/notices/USN-5686-1
CVE-2022-39253, CVE-2022-39260

Package Information:
https://launchpad.net/ubuntu/+source/git/1:2.34.1-1ubuntu1.5
https://launchpad.net/ubuntu/+source/git/1:2.25.1-1ubuntu3.6
https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.13
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