GLSA 201701-53: Lua: Buffer overflow

http://security.gentoo.org/

Severity:	normal
Title:	Lua: Buffer overflow
Date:	01/23/2017
Bugs:	#520480
ID:	201701-53

Synopsis

A buffer overflow in Lua might allow context-dependent attackers to execute arbitrary code.

Background

Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-lang/lua	< 5.1.5-r4	>= 5.1.5-r4	All supported architectures

Description

A buffer overflow was discovered in the vararg functions in ldo.c in Lua.

Impact

Context-dependent could cause a Denial of Service condition or execute arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All Lua users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-lang/lua-5.1.5-r4"

References

CVE-2014-5461

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-53.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.