SB2012091804 - Stack-based buffer overflow in Asterisk

Description

This security bulletin contains information about 1 vulnerability.

1) Stack-based buffer overflow (CVE-ID: CVE-2012-1183)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

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.

Remediation

Install update from vendor's website.

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