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Gentoo: GLSA-202007-42 Normal: LHa Buffer Overflow Denial of Service

gentoo
Calendar Grey July 26, 2020
Dist Gentoo Esm H88
LHa contains an unchecked buffer overflow flaw posing potential risks on Gentoo systems. Upgrading is advised. Learn more details!
LHa has a buffer overflow in its compression utility with unspecified impact.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow Denial of Service compression utility

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
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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.

Severity: Normal
Title: LHa: Buffer overflow
Date: July 27, 2020
Bugs: #572418
ID: 202007-42

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow Denial of Service compression utility

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.

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Affected Packages

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

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.

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