1. Ubuntu Security Notices
  2. USN-3411-1

USN-3411-1: Bazaar vulnerability

Publication date

6 September 2017

Overview

Bazaar could be made run programs as your login if it opened a specially crafted URL.

Releases

Packages

  • bzr - easy to use distributed version control system

Details

Adam Collard discovered that Bazaar did not properly handle host names
in ‘bzr+ssh://’ URLs. A remote attacker could use this to construct
a bazaar repository URL that when accessed could run arbitrary code
with the privileges of the user.

Adam Collard discovered that Bazaar did not properly handle host names
in ‘bzr+ssh://’ URLs. A remote attacker could use this to construct
a bazaar repository URL that when accessed could run arbitrary code
with the privileges of the user.

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
17.04 zesty bzr –  2.7.0+bzr6619-7ubuntu0.1
python-bzrlib –  2.7.0+bzr6619-7ubuntu0.1
16.04 xenial bzr –  2.7.0-2ubuntu3.1
python-bzrlib –  2.7.0-2ubuntu3.1
14.04 trusty bzr –  2.6.0+bzr6593-1ubuntu1.6
python-bzrlib –  2.6.0+bzr6593-1ubuntu1.6

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References

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