GLSA 201709-24: RAR, UnRAR: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	RAR, UnRAR: Multiple vulnerabilities
Date:	09/25/2017
Bugs:	#622342, #628182, #628184
ID:	201709-24

Synopsis

Multiple vulnerabilities have been found in RAR and UnRAR, the worst of which may allow attackers to execute arbitrary code.

Background

RAR and UnRAR provide command line interfaces for compressing and decompressing RAR files.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-arch/rar	< 5.5.0_p20170811	>= 5.5.0_p20170811	All supported architectures
app-arch/unrar	< 5.5.7	>= 5.5.7	All supported architectures

Description

Multiple vulnerabilities have been discovered in RAR and UnRAR. Please review the referenced CVE identifiers for details.

Impact

A remote attacker, by enticing a user to open a specially crafted RAR, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All RAR users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/rar-5.5.0_p20170811"

All UnRAR users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/unrar-5.5.7"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201709-24.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.