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Gentoo: GLSA-201709-24 Moderate: RAR And UnRAR Code Execution

gentoo
Calendar Grey September 25, 2017
Dist Gentoo Esm H88
Issues in RAR and UnRAR can lead to arbitrary code execution; it is advisable for Gentoo users to apply the patch to mitigate potential threats.
Multiple vulnerabilities have been found in RAR and UnRAR, the worst of which may allow attackers to execute arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo code execution multiple vulnerabilities rar unrar

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

[ 1 ] CVE-2012-6706 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6706 [ 2 ] CVE-2017-12940 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12940 [ 3 ] CVE-2017-12941 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12941 [ 4 ] CVE-2017-12942 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12942

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201709-24
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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: RAR, UnRAR: Multiple vulnerabilities
Date: September 25, 2017
Bugs: #622342, #628182, #628184
ID: 201709-24

Topics%20covered

Topics Covered

security advisory gentoo code execution multiple vulnerabilities rar unrar

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/rar < 5.5.0_p20170811 >= 5.5.0_p20170811 2 app-arch/unrar < 5.5.7 >= 5.5.7 ------------------------------------------------------------------- 2 affected packages

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.