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Category:   Application (Web Server/CGI)  >   nginx Vendors:
nginx URI Parsing Flaw Lets Remote Users Bypass Security Restrictions
SecurityTracker Alert ID:  1029363
SecurityTracker URL:
CVE Reference:   CVE-2013-4547   (Links to External Site)
Date:  Nov 19 2013
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 0.8.41 - 1.5.6
Description:   A vulnerability was reported in nginx. A remote user can bypass security restrictions.

A remote user can supply a specially crafted request containing an unescaped space character to potentially bypass security restrictions.

Ivan Fratric of the Google Security Team reported this vulnerability.

Impact:   A remote user can bypass security restrictions.
Solution:   The vendor has issued a fix (1.4.4, 1.5.7).

A patch is also available at:

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any)

Message History:   None.

 Source Message Contents

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