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nginx WebDAV Directory Traversal Security Issue

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Release Date:  2009-09-23    Last Update:  2009-11-26    Views:  6,136

Secunia Advisory SA36818

Where:

From remote

Impact:

Security Bypass

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


A security issue has been discovered in nginx, which can be exploited by malicious people to bypass certain security restrictions.

The security issue is caused due to nginx not properly verifying the path for the WebDAV "MOVE" and "COPY" methods, which can be exploited to e.g. write to files outside the specified document root.

Successful exploitation requires that the server has been compiled with the http_dav_module and that the attacker is allowed to use the "MOVE" or "COPY" methods.

The security issue is reported in version 0.7.61 and confirmed in version 0.7.62. Other versions may also be affected.


Solution:
Restrict access to trusted users only.

Provided and/or discovered by:
Kingcope

Original Advisory:
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0379.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: nginx WebDAV Directory Traversal Security Issue

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