1. Ubuntu Security Notices
  2. USN-3829-1

USN-3829-1: Git vulnerabilities

Publication date

27 November 2018

Overview

Several security issues were fixed in Git.

Releases

Packages

  • git - fast, scalable, distributed revision control system

Details

It was discovered that Git incorrectly handled layers of tree objects.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2017-15298)

It was discovered that Git incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
(CVE-2018-19486)

It was discovered that Git incorrectly handled layers of tree objects.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2017-15298)

It was discovered that Git incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
(CVE-2018-19486)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic git –  1:2.19.1-1ubuntu1.1
18.04 bionic git –  1:2.17.1-1ubuntu0.4
16.04 xenial git –  1:2.7.4-0ubuntu1.6
14.04 trusty git –  1:1.9.1-1ubuntu0.10

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References

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