[ASA-201807-15] wesnoth: arbitrary code execution

[Jelle van der Waa]

Arch Linux Security Advisory ASA-201807-15
==========================================

Severity: High
Date    : 2018-07-25
CVE-ID  : CVE-2018-1999023
Package : wesnoth
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-741

Summary
=======

The package wesnoth before version 1.14.4-1 is vulnerable to arbitrary
code execution.

Resolution
==========

Upgrade to 1.14.4-1.

# pacman -Syu "wesnoth>=1.14.4-1"

The problem has been fixed upstream in version 1.14.4.

Workaround
==========

None.

Description
===========

"The Battle for Wesnoth", which allows arbitrary code execution by
exploiting a vulnerability within the Lua scripting language engine
which allows escaping existing sandbox measures in place and executing
untrusted bytecode

Impact
======

A remote attacker is able to execute arbitrary code when a user
downloads game content in a multiplayer game or via a player content
distribution server.

References
==========

https://marc.info/?l=oss-security&m=153227302330837&w=2
http://www.openwall.com/lists/oss-security/2018/07/20/1
https://github.com/wesnoth/wesnoth/commit/d911268a783467842d38eae7ac1630f1fea41318
https://security.archlinux.org/CVE-2018-1999023
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