TCExam SessionUserLang file upload

tcexam-sessionuserlang-file-upload (33958)

Medium Risk

Description:

TCExam could allow a remote attacker to upload arbitrary files. An attacker could send a specially-crafted URL request to the tce_tmx.php script using the SessionUserLang parameter to upload a malicious PHP script, which could allow the attacker to execute arbitrary code with the privileges of the Web server.

*CVSS:

Base Score:	3.4
Access Vector:	Remote
Access Complexity:	High
Authentication:	Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.1
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of TCExam (4.1.000 or later), available from the TCExam Web site. See References.

References:

• TCExam Web site: TCExam (assessment, e-exam, CBT).
• BID-23705: TCExam SessionUserLang Remote PHP Code Execution Vulnerability
• CVE-2007-2430: shared/code/tce_tmx.php in TCExam 4.0.011 and earlier allows remote attackers to create arbitrary PHP files in cache/ by placing file contents and directory traversal manipulations into a SessionUserLang cookie to public/code/index.php.
• SA25008: TCExam PHP Code Execution and Cross-Site Scripting
• VUPEN/ADV-2007-1583: TCExam SessionUserLang Cookie Parameter Arbitrary Code Injection Vulnerability

Platforms Affected:

• Tecnick.com TCExam 4.0.011 and prior

Reported:

Apr 29, 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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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.

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