Lazarus Guestbook picture.php code execute

lazarus-picture-code-execute (27716) The risk level is classified as HighHigh Risk

Description:

Lazarus Guestbook could allow a remote attacker to execute arbitrary code caused by improper validation of user-supplied input in the picture.php script. A remote attacker could send a specially-crafted URL request to the picture.php script using the 'img' parameter and a null char (%00) to execute arbitrary code on the system.

Platforms Affected:

  • Lazarus Guestbook, Lazarus Guestbook 1.6 and prior

Remedy:

Upgrade to the latest version of Lazarus Guestbook (1.5.5 or later), available from the Lazarus Guestbook Web site. See References.

Consequences:

Gain Access

References:

  • BugTraq Mailing List, Wed Jul 12 2006 - 00:34:07 CDT , Lazarus Guestbook Cross Site Scripting Vulnerabilities at http://archives.neohapsis.com/archives/bugtraq/2006-07/0169.html.
  • Lazarus Guestbook Web site, Lazarus Guestbook at http://carbonize.co.uk/Lazarus/.
  • BID-18956: Lazarus Guestbook Multiple Cross-Site Scripting Vulnerabilities
  • CVE-2006-3616: Multiple cross-site scripting (XSS) vulnerabilities in Carbonize Lazarus Guestbook 1.6 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the show parameter in codes-english.php and (2) the img parameter in picture.php, after the name of an existing file.
  • OSVDB ID: 27089: Lazarus Guestbook codes-english.php show Variable XSS
  • OSVDB ID: 27090: Lazarus Guestbook picture.php img Variable XSS
  • SA21034: Lazarus Guestbook "show" and "img" Cross-Site Scripting
  • SECTRACK ID: 1016486: Lazarus Guestbook Input Validation Holes Permit Cross-Site Scripting Attacks
  • VUPEN/ADV-2006-2784: Lazarus Guestbook show and img Variables Handling Cross Site Scripting Vulnerabilities

Reported:

Jul 12, 2006

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