Flat Chat startsession.php code execution

flatchat-startsession-code-execution (32882) The risk level is classified as HighHigh Risk

Description:

Flat Chat could allow a remote attacker to execute arbitrary code on the system caused by improper validation of input by the startsession.php script. A remote attacker could send a specially-crafted request using the Chat Name form field to execute arbitrary PHP code on the system.

Platforms Affected:

  • uPHP, Flat Chat 2.0

Remedy:

No remedy available as of July 4, 2009.

Consequences:

Gain Access

References:

  • uPHP Web site, Flat Chat at http://undoweb.frih.net/?p=29.
  • BID-22865: Flat Chat Startsession.PHP Remote PHP Code Execution Vulnerability
  • CVE-2007-1394: Direct static code injection vulnerability in startsession.php in Flat Chat 2.0 allows remote attackers to execute arbitrary PHP code via the Chat Name field, which is inserted into online.txt and included by users.php. NOTE: some of these details are obtained from third party information.
  • SA24433: Flat Chat "Chat Name" PHP Code Execution
  • VUPEN/ADV-2007-0871: Flat Chat name Parameter Handling Remote PHP Command Injection Vulnerability

Reported:

Mar 07, 2007

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For corrections or additions please email xforce@iss.net

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