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Ubuntu 14.04 LTS USN-2338-1 Critical Lua Denial Of Service

ubuntu
Calendar Grey September 3, 2014
Scroller Ubuntu
Security Advisory: USN-2338-1 addresses a vulnerability in Lua that impacts versions 14.04 and 12.04 LTS. Immediate instructions for updating have been provided.
Lua could be made to crash or run programs.

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 versions:

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

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

References

https://ubuntu.com/security/notices/USN-2338-1

CVE-2014-5461

Severity
critical
Lowest
Low
Medium
High
Critical

September 03, 2014

Package Information

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