USN-3310-1: lintian vulnerability
Ubuntu Security Notice USN-3310-1
6th June, 2017
lintian vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
Summary
lintian could be made to run programs if it processed a specially crafted
package.
Software description
- lintian
– Debian package checker
Details
Jakub Wilk discovered that lintian incorrectly handled deserializing
certain YAML files. If a user or automated system were tricked into running
lintian on a specially crafted package, a remote attacker could possibly
use this issue to execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
lintian
2.5.50.1ubuntu0.1
- Ubuntu 16.10:
-
lintian
2.5.48ubuntu0.1
- Ubuntu 16.04 LTS:
-
lintian
2.5.43ubuntu0.1
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.
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