CVE-2019-12521

An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elemen...

Internet Bug Bounty: Cache Manager ACL Bypass

Summary: ACL Manager can be bypassed giving non authorized users to squid-internal-mgr. Possible to bypass other urlregex, but only focused on manager. with the hostname of the server running squid echo -e "GET https://jeriko.one%252f@:3128/squid-internal-mgr/activerequests HTTP/1.1\r\n\r\n" |nc...