Ubuntu Security Notice USN-2338-1
3rd September, 2014
lua5.1 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Lua could be made to crash or run programs.
Software description
- lua5.1
– Simple, extensible, embeddable programming language
Details
It was discovered that Lua incorrectly handled certain vararg functions
with a large number of fixed parameters. An attacker could use this issue
to cause Lua applications to crash, resulting in a denial of service, or
possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.04 LTS:
-
liblua5.1-0
5.1.5-5ubuntu0.1
-
lua5.1
5.1.5-5ubuntu0.1
- Ubuntu 12.04 LTS:
-
liblua5.1-0
5.1.4-12ubuntu1.1
-
lua5.1
5.1.4-12ubuntu1.1
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.