=========================================================================Ubuntu Security Notice USN-3411-2
October 24, 2017
bzr vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Bazaar could be made run programs as your login if it opened a
specially crafted URL.
Software Description:
- bzr: easy to use distributed version control system
Details:
USN-3411-1 fixed a vulnerability in Bazaar. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
bzr 2.5.1-0ubuntu2.1
python-bzrlib 2.5.1-0ubuntu2.1
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3411-2
https://ubuntu.com/security/notices/USN-3411-1
CVE-2017-14176
