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Category:   Application (Generic)  >   memcached Vendors:   Danga Interactive
memcached try_read_command() Function Lets Remote Users Deny Service
SecurityTracker Alert ID:  1023839
SecurityTracker URL:  http://securitytracker.com/id/1023839
CVE Reference:   CVE-2010-1152   (Links to External Site)
Date:  Apr 9 2010
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.2.8, possibly other versions
Description:   A vulnerability was reported in memcached. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to the target service to cause the target service to hang.

The vulnerability resides in the try_read_command() function.

A demonstration exploit command is provided:

cat /dev/zero | nc -q1 127.0.0.1 11211

fallenpegasus reported this vulnerability.

Impact:   A remote user can cause the target service to hang.
Solution:   The vendor has issued a source code fix, available at:

http://github.com/memcached/memcached/commit/75cc83685e103bc8ba380a57468c8f04413033f9

Vendor URL:  memcached.org/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 21 2011 (Oracle Issues Fix) memcached try_read_command() Function Lets Remote Users Deny Service
Oracle has issued a fix for Solaris 11 Express.



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