GLSA 201701-27: 7-Zip: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	7-Zip: Multiple vulnerabilities
Date:	01/11/2017
Bugs:	#582832
ID:	201701-27

Synopsis

Multiple vulnerabilities have been found in 7-Zip, the worst of which may allow execution of arbitrary code.

Background

7-Zip is an open-source file archiver, an application used primarily to compress files. 7-Zip uses its own 7z archive format, but can read and write several other archive formats.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-arch/p7zip	< 16.02-r1	>= 16.02-r1	All supported architectures

Description

Multiple vulnerabilities have been discovered in 7-Zip. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to open a specially crafted archive file 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 7-Zip users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/p7zip-16.02-r1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-27.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.