Subversion filename directory traversal

subversion-filename-directory-traversal (36312) The risk level is classified as MediumMedium Risk

Description:

Subversion and clients, including TortoiseSVN, could allow an authenticated remote attacker with write access to the repository to traverse directories on the system. An attacker could send a specially-crafted file to the repository, containing "dot dot" sequences (/../) in the filename to overwrite and create arbitrary files on the system.

*CVSS:

Base Score: 8.5
  Access Vector: Network
  Access Complexity: Medium
  Authentication: Single
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 6.3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of Subversion (1.4.5 or later), available from the Subversion Web site. See References.

References:

  • Subversion Web site: subversion.tigris.org.
  • Subversion Web site: Subversion 1.4.5 releaded (Win32 security release).
  • BID-25468: Subversion for Windows Remote Directory Traversal Vulnerability
  • CVE-2007-3846: Directory traversal vulnerability in Subversion before 1.4.5, as used by TortoiseSVN before 1.4.5 and possibly other products, when run on Windows-based systems, allows remote authenticated users to overwrite and create arbitrary files via a ..\ (dot dot backslash) sequence in the filename, as stored in the file repository.
  • SA26625: Subversion Client Directory Traversal Vulnerability
  • SA26632: TortoiseSVN Client Directory Traversal Vulnerability
  • SECTRACK ID: 1018617: Subversion Windows Client Input Validation Flaw in filename Parameter Lets Remote Authenticated Users Create/Overwrite Files
  • VUPEN/ADV-2007-3003: Subversion Filename Processing Remote Directory Traversal Vulnerability
  • VUPEN/ADV-2007-3004: TortoiseSVN Filename Processing Remote Directory Traversal Vulnerability

Platforms Affected:

  • Subversion Subversion 1.4.4 and prior
  • TortoiseSVN team TortoiseSVN 1.x

Reported:

Aug 28, 2007

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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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