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Gentoo: GLSA-201701-27 Normal: 7-Zip Arbitrary Code Execution

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Calendar Grey January 11, 2017
Scroller Gentoo
Several vulnerabilities in WinRAR could enable unauthorized code execution. It's advisable to update to the newest release for enhanced security.
Multiple vulnerabilities have been found in 7-Zip, the worst of which may allow execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo software update arbitrary code execution normal severity application issues 7-zip

Resolution

All 7-Zip users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/p7zip-16.02-r1"

References

[ 1 ] CVE-2016-2334 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2334 [ 2 ] CVE-2016-2335 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2335

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-27
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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: 7-Zip: Multiple vulnerabilities
Date: January 11, 2017
Bugs: #582832
ID: 201701-27

Topics%20covered

Topics Covered

security advisory gentoo software update arbitrary code execution normal severity application issues 7-zip

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/p7zip < 16.02-r1 >= 16.02-r1

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.