Description
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- National Science Foundation Squid Web Proxy 1.0/1.1/2.1 - Authentication Failure EDB-19567 · remote · Oct 25, 1999 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 19991103 [squid]exploit for external authentication problem mailing-list
- squid-proxy-auth-access(3433) vdb-entry
- http://www.squid-cache.org/Versions/v2/2.2/bugs/
- 741 vdb-entry