Stack-based buffer overflow in Asterisk Open Source - CVE-2012-1183

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the milliwatt_generate function in the Miliwatt application when processing a large number of samples in an audio packet. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2012-1183

External References

• http://archives.neohapsis.com/archives/bugtraq/2012-03/0069.html
• http://downloads.asterisk.org/pub/security/AST-2012-002.pdf
• http://downloads.asterisk.org/pub/security/AST-2012-002-1.8.diff
• http://osvdb.org/80125
• http://secunia.com/advisories/48417
• http://secunia.com/advisories/48941
• http://securitytracker.com/id?1026812
• http://www.asterisk.org/node/51797
• http://www.debian.org/security/2012/dsa-2460
• http://www.openwall.com/lists/oss-security/2012/03/16/10
• http://www.openwall.com/lists/oss-security/2012/03/16/17
• http://www.securityfocus.com/bid/52523
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74082

Related Security Bulletins

• Stack-based buffer overflow in Asterisk
• Stack-based buffer overflow in asterisk (Alpine package)
• Gentoo update for Asterisk
• Fedora EPEL 6 update for asterisk
• Fedora EPEL 6 update for asterisk