Description
Directory traversal vulnerability in the "remember me" feature in liveuser.php in PHP Extension and Application Repository (PEAR) LiveUser 0.16.8 and earlier allows remote attackers to determine file existence, and possibly delete arbitrary files with short pathnames or possibly read arbitrary files, via a .. (dot dot) in the store_id value of a cookie.
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.
Exploit-DB 1
- PEAR LiveUser < 0.16.8 - Arbitrary File Access EDB-43834 · webapps · Feb 21, 2016
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://pear.php.net/package/LiveUser/download/
- 1015659 vdb-entry
- 16761 vdb-entry
- liveuser-liveuser-file-deletion(24853) vdb-entry
- liveuser-liveuser-file-access(24852) vdb-entry
- 20060221 PEAR LiveUser File Access Vulnerabilities mailing-list
- 466 third-party-advisory
- ADV-2006-0697 vdb-entry
- http://www.gulftech.org/?node=research&article_id=00103-02212006