Webmin backslash directory traversal

webmin-backslash-directory-traversal (27366) The risk level is classified as MediumMedium Risk

Description:

Webmin could allow a remote attacker to traverse directories. If Webmin is running on a Windows system with a specific configuration, a remote attacker could send a specially-crafted URL request containing a backslash character (\), which could allow the attacker to traverse directories and view arbitrary files outside of the Web root directory.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Webmin (1.280 or later), available from the Webmin Web site. See References.

References:

  • SNS Advisory No.88: Webmin Directory Traversal Vulnerability.
  • Webmin Web site: Webmin.
  • BID-18613: Webmin Remote Directory Traversal Vulnerability
  • CVE-2006-3274: Directory traversal vulnerability in Webmin before 1.280, when run on Windows, allows remote attackers to read arbitrary files via \ (backslash) characters in the URL to certain directories under the web root, such as the image directory.
  • MDKSA-2006:125: webmin
  • SA20777: Webmin Directory Traversal Vulnerability
  • SECTRACK ID: 1016375: Webmin for Windows Error in Parsing `\` Backslash Character Permits Directory Traversal Attacks
  • VUPEN/ADV-2006-2493: Webmin Backslash Character Handling Remote Directory Traversal Vulnerability

Platforms Affected:

  • Gentoo Webmin 1.270
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64

Reported:

Jun 23, 2006

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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