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Ubuntu Security Notice USN-3411-2

Ubuntu Security Notice USN-3411-2
Posted Oct 25, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3411-2 - USN-3411-1 fixed a vulnerability in Bazaar. This update provides the corresponding update for Ubuntu 12.04 ESM. A Adam Collard discovered that Bazaar did not properly handle host names A in 'bzr+ssh://' URLs. A remote attacker could use this to construct A a bazaar repository URL that when accessed could run arbitrary code A with the privileges of the user. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
MD5 | 7b2bd881261c68b439626b33760a7b22

Ubuntu Security Notice USN-3411-2

Change Mirror Download
==========================================================================
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:

A Adam Collard discovered that Bazaar did not properly handle host names
A in 'bzr+ssh://' URLs. A remote attacker could use this to construct
A a bazaar repository URL that when accessed could run arbitrary code
A 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:
A bzrA A A A A A A A A A A A A A A A A A A A A A A A A A A A A 2.5.1-0ubuntu2.1
A python-bzrlibA A A A A A A A A A A A A A A A A A A 2.5.1-0ubuntu2.1

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

References:
A https://www.ubuntu.com/usn/usn-3411-2
A https://www.ubuntu.com/usn/usn-3411-1
A CVE-2017-14176

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