Stack-based buffer overflow in the ast_parse_digest function in main/utils.c in...

Vulnerability Description

Stack-based buffer overflow in the ast_parse_digest function in main/utils.c in Asterisk 1.8.x before 1.8.10.1 and 10.x before 10.2.1 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in an HTTP Digest Authentication header.

References

• http://www.openwall.com/lists/oss-security/2012/03/16/17
• http://downloads.asterisk.org/pub/security/AST-2012-003.pdf
• http://www.asterisk.org/node/51797
• http://secunia.com/advisories/48417
• http://www.openwall.com/lists/oss-security/2012/03/16/10
• http://downloads.asterisk.org/pub/security/AST-2012-003-1.8.diff
• http://osvdb.org/80126
• http://www.securitytracker.com/id?1026813
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74083