USN-3411-1: Bazaar vulnerability
Ubuntu Security Notice USN-3411-1
5th September, 2017
bzr vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
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
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 version:
- Ubuntu 17.04:
-
python-bzrlib
2.7.0+bzr6619-7ubuntu0.1
-
bzr
2.7.0+bzr6619-7ubuntu0.1
- Ubuntu 16.04 LTS:
-
python-bzrlib
2.7.0-2ubuntu3.1
-
bzr
2.7.0-2ubuntu3.1
- Ubuntu 14.04 LTS:
-
python-bzrlib
2.6.0+bzr6593-1ubuntu1.6
-
bzr
2.6.0+bzr6593-1ubuntu1.6
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
Source: USN-3411-1: Bazaar vulnerability
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