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Gentoo Linux Security Advisory GLSA 202007-42
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https://security.gentoo.org/
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Severity: Normal
Title: LHa: Buffer overflow
Date: July 27, 2020
Bugs: #572418
ID: 202007-42

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Synopsis
========

LHa has a buffer overflow in its compression utility with unspecified
impact.

Background
==========

LHa is a console-based program for packing and unpacking LHarc
archives.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/lha < 114i_p20201004 >= 114i_p20201004

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

A buffer overflow in LHa's compression code was discovered which can be
triggered by a crafted input file.

Impact
======

A remote attacker could send a specially crafted file possibly
resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All LHa users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/lha-114i_p20201004"

References
==========

[ 1 ] CVE-2016-1925
https://nvd.nist.gov/vuln/detail/CVE-2016-1925

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202007-42

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.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5