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Category:   Application (Security)  >   GnuPG (Gnu Privacy Guard) Vendors:   Gnupg.org
GnuPG GPGSM Tool Certificate Import Memory Error May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024247
SecurityTracker URL:  http://securitytracker.com/id/1024247
CVE Reference:   CVE-2010-2547   (Links to External Site)
Updated:  Aug 5 2010
Original Entry Date:  Jul 26 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0 - 2.0.16
Description:   A vulnerability was reported in the GnuPG GPGSM tool. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted certificate that, when imported by the target user via the GPGSM import command, will trigger a memory reallocation error and potentially execute arbitrary code on the target system.

A certificate with more than 98 Subject Alternate Names can trigger the flaw.

Peter Gutmann reported this vulnerability.

Impact:   A remote user can create a certificate that, when imported by the target user, will potentially execute arbitrary code on the target system.
Solution:   The vendor has issued a patch, available at:

http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html

Vendor URL:  lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 5 2010 (Red Hat Issues Fix) GnuPG GPGSM Tool Certificate Import Memory Error May Let Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 5.



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