Description
The G/PGP (GPG) Plugin 2.1 and earlier for Squirrelmail allow remote authenticated users to execute arbitrary commands via shell metacharacters in (1) the fpr parameter to the deleteKey function in gpg_keyring.php, as called by (a) import_key_file.php, (b) import_key_text.php, and (c) keyring_main.php; and (2) the keyserver parameter to the gpg_recv_key function in gpg_key_functions.php, as called by gpg_options.php. NOTE: this issue may overlap CVE-2007-3636.
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 2
- SquirrelMail G/PGP Encryption Plugin - 'deletekey()' Command Injection EDB-4718 · webapps · Dec 11, 2007 · verified
- SquirrelMail G/PGP Encryption Plugin 2.0 - Command Execution EDB-4173 · webapps · Jul 11, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- squirrelmail-gpgp-keyfunc-command-execution(35364) vdb-entry
- 26035 third-party-advisory
- 26424 third-party-advisory
- 37924 vdb-entry
- 24874 vdb-entry
- 20070711 SquirrelMail G/PGP Plugin gpg_recv_key() Command Injection Vulnerability third-party-advisory
- 4173 exploit
- squirrelmail-gpgp-keyring-command-execution(35355) vdb-entry
- ADV-2007-2513 vdb-entry
- 37923 vdb-entry
- GLSA-200708-08 vendor-advisory
- 20070711 SquirrelMail G/PGP Plugin deleteKey() Command Injection Vulnerability third-party-advisory
- 20070711 True: SquirrelMail G/PGP Encryption Plug-in 2.0 Command Execution Vuln mailing-list
- 20070711 SquirrelMail G/PGP Encryption Plug-in Remote Command Execution Vulnerability mailing-list