SB2012091805 - Stack-based buffer overflow in Asterisk
Published: September 18, 2012 Updated: July 28, 2020
Security Bulletin ID
SB2012091805
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2012-1184)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the ast_parse_digest function in main/utils.c when processing a long string in an HTTP Digest Authentication header. 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://downloads.asterisk.org/pub/security/AST-2012-003.pdf
- http://downloads.asterisk.org/pub/security/AST-2012-003-1.8.diff
- http://osvdb.org/80126
- http://secunia.com/advisories/48417
- http://www.asterisk.org/node/51797
- http://www.openwall.com/lists/oss-security/2012/03/16/10
- http://www.openwall.com/lists/oss-security/2012/03/16/17
- http://www.securitytracker.com/id?1026813
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74083