PMOS Help Desk form.php code execution

pmoshelpdesk-form-code-execution (39274)

High Risk

Description:

PMOS Help Desk could allow a remote attacker to execute arbitrary code on the system, caused by the failure to restrict access to current users by the form.php script. A remote attacker could exploit this vulnerability to bypass security restrictions with a malformed HTTP client and inject and execute arbitrary PHP code on the vulnerable system.

*CVSS:

Base Score:	7.5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.5
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

PMOS Help Desk customers should contact PMOS Help Desk support for upgrade or patch information. See References.

References:

• PMOS Help Desk Web site: PMOS Help Desk (PHP MySQL Open Source).
• BID-27032: PHP MySQL Open Source Help Desk 'form.php' Code Injection Vulnerability
• CVE-2007-6550: form.php in PMOS Help Desk 2.4 and earlier sends a redirect to the web browser but does not exit, which allows remote attackers to conduct eval injection attacks and execute arbitrary PHP code via the options array parameter.
• SA28201: PMOS Help Desk PHP Code Execution and Security Bypass
• VUPEN/ADV-2007-4321: PMOS Help Desk form.php Header Handling Code Injection Vulnerability

Platforms Affected:

• PMOS Help Desk PMOS Help Desk 2.4

Reported:

Dec 25, 2007

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.