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Category:   Application (Generic)  >   Apache Subversion Vendors:   subversion.tigris.org
Subversion mod_dav_svn SVNPathAuthz Infinite Memory Allocation Loop Lets Remote Users Deny Service
SecurityTracker Alert ID:  1025618
SecurityTracker URL:  http://securitytracker.com/id/1025618
CVE Reference:   CVE-2011-1783   (Links to External Site)
Updated:  Jun 9 2011
Original Entry Date:  Jun 9 2011
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.5.0 to 1.6.16
Description:   A vulnerability was reported in Subversion. A remote user can cause denial of service conditions.

The SVNPathAuthz 'httpd.conf' directive when set to 'short_circuit' and when processing certain data set and access rule combinations can cause memory allocation in an infinite loop.

Ivan Zhakov, VisualSVN, reported this vulnerability.

Impact:   A remote user can consume all available memory on the target system.
Solution:   The vendor has issued a fix (1.6.17).

The vendor's advisory is available at:

http://subversion.apache.org/security/CVE-2011-1783-advisory.txt

Vendor URL:  subversion.apache.org/security/CVE-2011-1783-advisory.txt (Links to External Site)
Cause:   Resource error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 9 2011 (Red Hat Issues Fix) Subversion mod_dav_svn SVNPathAuthz Infinite Memory Allocation Loop Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.



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