GLSA 202007-42: LHa: Buffer overflow

Severity:normal
Title:LHa: Buffer overflow
Date:07/27/2020
Bugs: #572418
ID:202007-42

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 Architecture(s)
app-arch/lha < 114i_p20201004 >= 114i_p20201004 All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-42.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.

License

Copyright 2010 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.

Thank you!