[USN-5686-3] Git vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5686-3
November 21, 2022

git vulnerabilities
==========================================================================

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

- Ubuntu 22.10

Summary:

Several security issues were fixed in Git.

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

Details:

USN-5686-1 fixed vulnerabilities in Git. This update provides the corresponding
updates for Ubuntu 22.10.

Original advisory 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 22.10:
  git                             1:2.37.2-1ubuntu1.1

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

References:
  https://ubuntu.com/security/notices/USN-5686-3
  https://ubuntu.com/security/notices/USN-5686-1
  CVE-2022-39253, CVE-2022-39260

Package Information:
  https://launchpad.net/ubuntu/+source/git/1:2.37.2-1ubuntu1.1
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