G/PGP Encryption Plugin for SquirrelMail gpg_hook_functions.php command execution
| squirrelmail-gpgp-hook-command-execution (35363) |  Medium Risk |
Description:
The G/PGP Encryption Plugin for SquirrelMail could allow a remote attacker to execute arbitrary commands on the system, caused by improper validation of user-supplied input by the gpg_hook_functions.php script's exec function. By persuading a victim to open a specially-crafted email, a remote attacker could exploit this vulnerability to execute arbitrary commands on the system with the privileges of the Web server.
Platforms Affected:
- SquirrelMail, G/PGP Encryption Plugin for SquirrelMail 2.0
Remedy:
Upgrade to the latest version of G/PGP Encryption Plugin for SquirrelMail (2.1 or later), available from the G/PGP Encryption Plugin for SquirrelMail Web site. See References.
Consequences:
Gain Access
References:
- G/PGP Encryption Plugin for SquirrelMail Web site, SquirrelMail - Webmail for Nuts! at http://www.squirrelmail.org/plugin_view.php?id=153.
- iDefense Labs PUBLIC ADVISORY: 07.11.07, SquirrelMail G/PGP Plugin gpg_check_sign_pgp_mime() Command Injection Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=330.
- BID-24874: SquirrelMail G/PGP Encryption Plug-in Multiple Remote Command Execution Vulnerabilities
- CVE-2007-3778: The G/PGP (GPG) Plugin 2.0, and 2.1dev before 20060912, for Squirrelmail allows remote attackers to execute arbitrary commands via shell metacharacters in the messageSignedText parameter to the gpg_check_sign_pgp_mime function in gpg_hook_functions.php. NOTE: a parameter value can be set in the contents of an e-mail message.
- SA26035: SquirrelMail G/PGP Encryption Plugin Multiple Vulnerabilities
- VUPEN/ADV-2007-2513: SquirrelMail G/PGP Encryption Plugin Multiple Command Execution Vulnerabilities
Reported:
Jul 11, 2007
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