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Ubuntu Security Notice USN-3829-1

Ubuntu Security Notice USN-3829-1
Posted Nov 28, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3829-1 - 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. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-15298, CVE-2018-19486
MD5 | 5c94eebe871a9e117738127165fccd23

Ubuntu Security Notice USN-3829-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3829-1
November 27, 2018

git vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Git.

Software Description:
- 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 LTS:
git 1:2.17.1-1ubuntu0.4

Ubuntu 16.04 LTS:
git 1:2.7.4-0ubuntu1.6

Ubuntu 14.04 LTS:
git 1:1.9.1-1ubuntu0.10

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

References:
https://usn.ubuntu.com/usn/usn-3829-1
CVE-2017-15298, CVE-2018-19486

Package Information:
https://launchpad.net/ubuntu/+source/git/1:2.19.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.4
https://launchpad.net/ubuntu/+source/git/1:2.7.4-0ubuntu1.6
https://launchpad.net/ubuntu/+source/git/1:1.9.1-1ubuntu0.10

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