PHPMailer class.phpmailer.php SendmailSend command execution

phpmailer-sendmailsend-command-execution (34818)

High Risk

Description:

PHPMailer could allow a remote attacker to execute commands on the system, caused by improper validation of user-supplied input by the SendmailSend function in the class.phpmailer.php script. If PHPMailer is configured to use sendmail, a remote attacker could exploit this vulnerability to execute arbitrary commands on the system.

Note: IPplan, Knowledgeroot Knowledgebase, and other applications implementing the PHPMailer class are vulnerable to this issue.

*CVSS:

Base Score:	5.6
Access Vector:	Remote
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	4.1
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of PHPMailer (1.73 or later), available from the PHPMailer Web site. See References.

For Mambo LaiThai:
Upgrade to the latest version of Mambo LaiThai (4.5.6 or later), available from SourceForge.net: Files. See References.

For IPplan:
Upgrade to the latest version of IPplan (4.86 or later), available from the SourceForge.net: Files Web site. See References.

For Knowledgeroot Knowledgebase:
Upgrade to the latest version of Knowledgeroot Knowledgebase (0.9.8.3 or later), available from the SourceForge.net : Files Knowledgeroot Web site. See References.

For Debian/GNU Linux:
Refer to DSA 1315-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

• BugTraq Mailing List, Mon Jun 11 2007 - 12:46:16 CDT : PHPMailer command execution.
• DSA 1315-1: New libphp-phpmailer packages fix arbitrary shell command execution.
• Mambo Web site: Mambo 4.6.3 Released!.
• PHPMailer Web site: PHPMailer - full featured email transfer class for PHP.
• SourceForge.net : Files Knowledgeroot: Knowledgeroot - File Release Notes and Changelog - Release Name: 0.9.8.3.
• SourceForge.net: Files: IPplan IP address management system - File Release Notes and Changelog - Release Name: Release 4.86.
• SourceForge.net: Files: MamboLaiThai - File Release Notes and Changelog - Mambo LaiThai Global 4.5.6.
• BID-24417: PHPMailer Remote Shell Command Execution Vulnerability
• CVE-2007-3215: PHPMailer 1.7, when configured to use sendmail, allows remote attackers to execute arbitrary shell commands via shell metacharacters in the SendmailSend function in class.phpmailer.php.
• DSA-1315: libphp-phpmailer -- missing input validation
• SA25626: PHPMailer "Sender" Arbitrary Command Execution
• SA25758: Knowledgeroot Knowledgebase PHPMailer "Sender" Command Execution
• SA28652: Mambo LaiThai Multiple Vulnerabilities
• USN-791-1: Moodle vulnerabilities
• VUPEN/ADV-2007-2161: PHPMailer SendmailSend() Function Remote Shell Command Injection Vulnerability
• VUPEN/ADV-2007-2267: Knowledgeroot Security Update Fixes PHPMailer Command Injection Vulnerability

Platforms Affected:

• Canonical Ubuntu 8.04 LTS
• Canonical Ubuntu 8.10
• Debian Debian Linux 4.0
• IPplan IPplan prior to 4.86
• KnowledgeRoot Knowledgebase prior to 0.9.8.3
• Mambo Mambo 4.6.2
• Mambo LaiThai Mambo LaiThai 4.5.5 and prior
• PHPMailer PHPMailer 1.73 and prior

Reported:

Jun 11, 2007

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For corrections or additions please email xforce@iss.net

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