Ubuntu Security Notice 4329-1 - Felix Wilhelm discovered that Git incorrectly handled certain URLs that included newlines. A remote attacker could possibly use this issue to trick Git into returning credential information for a wrong host.
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Ubuntu Security Notice USN-4329-1
April 14, 2020
git vulnerability
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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:
Felix Wilhelm discovered that Git incorrectly handled certain URLs that
included newlines. 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 1:2.20.1-2ubuntu1.19.10.2
Ubuntu 18.04 LTS:
git 1:2.17.1-1ubuntu0.6
Ubuntu 16.04 LTS:
git 1:2.7.4-0ubuntu1.8
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4329-1
CVE-2020-5260
Package Information:
https://launchpad.net/ubuntu/+source/git/1:2.20.1-2ubuntu1.19.10.2
https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.6
https://launchpad.net/ubuntu/+source/git/1:2.7.4-0ubuntu1.8