7.5 - GLSA-201405-05

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.

Description

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

Impact

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

Workaround

There is no known workaround at this time.

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:

http://security.gentoo.org/glsa/glsa-201405-05.xml