Ubuntu Security Update USN-3387-1: Git vulnerability

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Ubuntu Security Notice USN-3387-1


10th August, 2017

git vulnerability


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

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
Summary


Git could be made run programs as your login if it opened a specially crafted git repository.

Software description

  • git - fast, scalable, distributed revision control system
Details


Brian Neel, Joern Schneeweisz, and Jeff King discovered that Git did
not properly handle host names in 'ssh://' URLs. A remote attacker
could use this to construct a git repository that when accessed could
run arbitrary code with the privileges of the user.

Update instructions


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

Ubuntu 17.04:
git 1:2.11.0-2ubuntu0.2
Ubuntu 16.04 LTS:
git 1:2.7.4-0ubuntu1.2
Ubuntu 14.04 LTS:
git 1:1.9.1-1ubuntu0.6

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References


CVE-2017-1000117

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