USN-4334-1: Git vulnerability

git vulnerability

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

• Ubuntu 19.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

Git could be made to expose sensitive information.

Software Description

• git - fast, scalable, distributed revision control system

Details

Carlo Arenas discovered that Git incorrectly handled certain URLs containing newlines, empty hosts, or lacking a scheme. A remote attacker could possibly use this issue to trick Git into returning credential information for a wrong host.

Update instructions

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

Ubuntu 19.10

git - 1:2.20.1-2ubuntu1.19.10.3

Ubuntu 18.04 LTS

git - 1:2.17.1-1ubuntu0.7

Ubuntu 16.04 LTS

git - 1:2.7.4-0ubuntu1.9

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2020-11008