GLSA 202003-58: UnZip: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	UnZip: User-assisted execution of arbitrary code
Date:	03/26/2020
Bugs:	#647008, #691566
ID:	202003-58

Synopsis

Multiple vulnerabilities have been found in UnZip, the worst of which could result in the execution of arbitrary code.

Background

Info-ZIP’s UnZip is a tool to list and extract files inside PKZIP compressed files.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-arch/unzip	< 6.0_p25	>= 6.0_p25	All supported architectures

Description

Multiple vulnerabilities have been discovered in UnZip. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to open a specially crafted ZIP archive using UnZip, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All UnZip users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/unzip-6.0_p25"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-58.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.