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Gentoo: GLSA-201405-05 Normal: Asterisk Denial Of Service Threat

gentoo
Calendar Grey May 3, 2014
Scroller Gentoo
Possible exploitation of Asterisk vulnerabilities can lead to Service Disruption through several buffer overflow incidents. Ensure you upgrade to the most recent version without delay.
Multiple buffer overflows in Asterisk might allow remote attackers to cause a Denial of Service condition.

Summary

Multiple vulnerabilities have been discovered in Asterisk. Please review the CVE identifiers and Asterisk Project Security Advisories referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote exploit asterisk normal severity

Resolution

All Asterisk 11.* users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/asterisk-11.8.1"
All Asterisk 1.8.* users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.26.1"

References

[ 1 ] AST-2014-001 http://downloads.asterisk.org/pub/security/AST-2014-001.pdf [ 2 ] AST-2014-002 http://downloads.asterisk.org/pub/security/AST-2014-002.pdf [ 3 ] AST-2014-003 http://downloads.asterisk.org/pub/security/AST-2014-003.pdf [ 4 ] AST-2014-004 http://downloads.asterisk.org/pub/security/AST-2014-004.pdf [ 5 ] CVE-2014-2286 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2286 [ 6 ] CVE-2014-2287 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2287 [ 7 ] CVE-2014-2288 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2288 [ 8 ] CVE-2014-2289 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2289

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201405-05
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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: Asterisk: Denial of Service
Date: May 03, 2014
Bugs: #504180
ID: 201405-05

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote exploit asterisk normal severity

Synopsis

Multiple buffer overflows in Asterisk might allow remote attackers to cause a Denial of Service condition.

Background

Asterisk is an open source telephony engine and toolkit.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/asterisk < 11.8.1 *>= 1.8.26.1 >= 11.8.1

Impact

===== A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.