#VU32804 Stack-based buffer overflow in Asterisk Open Source - CVE-2012-1184
Published: September 18, 2012 / Updated: July 29, 2020
Vulnerability identifier: #VU32804
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2012-1184
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Asterisk Open Source
Asterisk Open Source
Software vendor:
Digium (Linux Support Services)
Digium (Linux Support Services)
Description
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
Update to version 1.8.10.1.
External links
- 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