WebSVN create_anchors code execution

websvn-createanchors-code-execution (48168) The risk level is classified as HighHigh Risk

Description:

WebSVN could allow a remote attacker to execute arbitrray code on the system, caused by an error in the create_anchors function. A remote attacker could exploit this vulnerability using a specially-crafted username processed by the preg_replace() function to execute arbitrary PHP code on the 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:

Apply the appropriate patch for your system. See References.

References:

  • GulfTech Research And Development Web site: WebSVN <= 2.0 Multiple Vulnerabilities .
  • WebSVN Web page: WebSVN.
  • BID-31891: WebSVN Multiple Remote Input Validation Vulnerabilities
  • CVE-2008-5920: The create_anchors function in utils.inc in WebSVN 1.x allows remote attackers to execute arbitrary PHP code via a crafted username that is processed by the preg_replace function with the eval switch.
  • OSVDB ID: 51541: WebSVN utils.inc create_anchors Function Arbitrary PHP Code Execution

Platforms Affected:

  • Tigris WebSVN 1.00
  • Tigris WebSVN 1.01
  • Tigris WebSVN 1.02
  • Tigris WebSVN 1.03
  • Tigris WebSVN 1.04
  • Tigris WebSVN 1.10
  • Tigris WebSVN 1.20
  • Tigris WebSVN 1.31a
  • Tigris WebSVN 1.32
  • Tigris Websvn 1.33
  • Tigris Websvn 1.34
  • Tigris WebSVN 1.37
  • Tigris WebSVN 1.38
  • Tigris WebSVN 1.39
  • Tigris WebSVN 1.40
  • Tigris WebSVN 1.51
  • Tigris WebSVN 1.60
  • Tigris WebSVN 1.61
  • Tigris WebSVN 1.62

Reported:

Oct 20, 2008

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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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