Gentoo: GLSA-201209-15: Asterisk: Multiple vulnerabilities
Summary
Multiple vulnerabilities have been found in Asterisk:
* An error in manager.c allows shell access (CVE-2012-2186).
* An error in Asterisk could cause all RTP ports to be exhausted
(CVE-2012-3812).
* A double-free error could occur when two parties attempt to
manipulate the same voicemail account simultaneously (CVE-2012-3863).
* Asterisk does not properly implement certain ACL rules
(CVE-2012-4737).
Resolution
All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.15.1"
References
[ 1 ] CVE-2012-2186 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2186 [ 2 ] CVE-2012-3812 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3812 [ 3 ] CVE-2012-3863 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3863 [ 4 ] CVE-2012-4737 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4737
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201209-15
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.
Synopsis
Multiple vulnerabilities have been found in Asterisk, the worst of which may allow execution of arbitrary code.
Background
Asterisk is an open source telephony engine and toolkit.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/asterisk < 1.8.15.1 >= 1.8.15.1
Impact
===== A remote, authenticated attacker could execute arbitrary code with the privileges of the process, cause a Denial of Service condition, or bypass outbound call restrictions.
Workaround
There is no known workaround at this time.
