Guestex guestex.pl shell command execution

guestex-script-execute-code (24645)

Medium Risk

Description:

Guestex could allow a remote attacker to execute arbitrary shell commands on the system, caused by improper validation of user-supplied input by the guestex.pl script. A remote attacker could exploit this vulnerability using the $form('email') variable to execute arbitrary commands on the vulnerable system.

*CVSS:

Base Score:	7
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.7
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of July 9, 2011.

References:

• eVuln Advisory EV0076: Guestex Shell Command Execution Vulnerability.
• Teca Scripts Web site: Guestex v1.0.
• BID-16711: Teca Scripts Guestex Multiple Input Validation Vulnerabilities
• CVE-2006-0777: Unspecified vulnerability in guestex.pl in Teca Scripts Guestex 1.0 allows remote attackers to execute arbitrary shell commands via the email parameter, possibly involving shell metacharacters.
• SA18927: Guestex Shell Command Injection and Cross-Site Scripting
• VUPEN/ADV-2006-0640: Guestex Shell Command Injection and Cross Site Scripting Vulnerabilities

Platforms Affected:

• Teca Web Guestex 1.0

Reported:

Feb 11, 2006

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