[USN-5686-3] Git vulnerabilities

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

git vulnerabilities
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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