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Gentoo: GLSA-201701-22 Moderate: Expat Denial of Service Vulnerability

gentoo
Calendar Grey January 11, 2017
Dist Gentoo Esm H88
A variety of security flaws identified in Expat might result in unauthorized code execution or denial of service scenarios; examine the suggested countermeasures within.
Multiple vulnerabilities have been found in Expat, the worst of which may allow execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo code execution multiple vulnerabilities normal severity XML parsing Expat

Resolution

All Expat users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.2.0-r1"

References

[ 1 ] CVE-2012-6702 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6702 [ 2 ] CVE-2013-0340 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0340 [ 3 ] CVE-2015-1283 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1283 [ 4 ] CVE-2016-0718 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0718 [ 5 ] CVE-2016-4472 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4472 [ 6 ] CVE-2016-5300 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5300

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-21
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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: Expat: Multiple vulnerabilities
Date: January 11, 2017
Bugs: #458742, #555642, #577928, #583268, #585510
ID: 201701-21

Topics%20covered

Topics Covered

security advisory Gentoo code execution multiple vulnerabilities normal severity XML parsing Expat

Synopsis

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

Background

Expat is a set of XML parsing libraries.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/expat < 2.2.0-r1 >= 2.2.0-r1

Impact

===== A remote attacker, by enticing a user to process a specially crafted XML file, could execute arbitrary code with the privileges of the process or cause a Denial of Service condition. This attack could also be used against automated systems that arbitrarily process XML files.

Workaround

There is no known workaround at this time.

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