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