Description
Buffer overflow in the crack extension (CrackLib), as bundled with PHP 4.4.6 and other versions before 5.0.0, might allow local users to gain privileges via a long argument to the crack_opendict function.
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
- PHP 4.4.6 - 'crack_opendict()' Local Buffer Overflow EDB-3431 · local · Mar 8, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://retrogod.altervista.org/php_446_crack_opendict_local_bof.html
- 3431 exploit
- 2405 third-party-advisory
- 20070308 PHP 4.4.6 crack_opendict() local buffer overflow poc exploit mailing-list