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Ubuntu Security Notice USN-2938-1
March 21, 2016

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

- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Git could be made to crash or run programs as your login if it received
changes from a specially crafted remote repository.

Software Description:
- git: fast, scalable, distributed revision control system

Details:

Laël Cellier discovered that Git incorrectly handled path strings in
crafted Git repositories. A remote attacker could use this issue to cause
a denial of service or possibly execute arbitrary code with the
privileges of the user invoking Git. (CVE-2016-2315, CVE-2016-2324)

Update instructions:

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

Ubuntu 15.10:
  git                             1:2.5.0-1ubuntu0.2

Ubuntu 14.04 LTS:
  git                             1:1.9.1-1ubuntu0.3

Ubuntu 12.04 LTS:
  git                             1:1.7.9.5-1ubuntu0.3

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

References:
  http://www.ubuntu.com/usn/usn-2938-1
  CVE-2016-2315, CVE-2016-2324

Package Information:
  https://launchpad.net/ubuntu/+source/git/1:2.5.0-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/git/1:1.9.1-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/git/1:1.7.9.5-1ubuntu0.3