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Category:   Application (Security)  >   GnuPG (Gnu Privacy Guard) Vendors:   Gnupg.org
GnuPG Packet Decompression Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1029137
SecurityTracker URL:  http://securitytracker.com/id/1029137
CVE Reference:   CVE-2013-4402   (Links to External Site)
Date:  Oct 7 2013
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.22
Description:   A vulnerability was reported in GnuPG. A remote user can cause denial of service conditions.

A remote user can send specially crafted OpenPGP message data to cause the target packet decompressor to enter an infinite loop.

Taylor R. Campbell reported this vulnerability.

Impact:   A remote user can cause the target system to enter an infinite loop.
Solution:   The vendor has issued a fix (1.4.15, 2.0.22).

An updated version of 'gpg4win' will be released next week.

Vendor URL:  gnupg.org/ (Links to External Site)
Cause:   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.
Oct 25 2013 (Red Hat Issues Fix) GnuPG Packet Decompression Processing Flaw Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Oct 25 2013 (Red Hat Issues Fix) GnuPG Packet Decompression Processing Flaw Lets Remote Users Deny Service
Red Hat has issued a fix for gnupg2 for Red Hat Enterprise Linux 5 and 6.



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