USN-3829-1: Git vulnerabilities

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

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)

Update instructions

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

Ubuntu 18.10

• git - 1:2.19.1-1ubuntu1.1

Ubuntu 18.04

• git - 1:2.17.1-1ubuntu0.4

Ubuntu 16.04

• git - 1:2.7.4-0ubuntu1.6

Ubuntu 14.04

• git - 1:1.9.1-1ubuntu0.10

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

References

• CVE-2017-15298
• CVE-2018-19486