GnuPG GPGSM Tool Certificate Import Memory Error May Let Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1024247 |
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SecurityTracker URL: http://securitytracker.com/id/1024247
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CVE Reference:
CVE-2010-2547
(Links to External Site)
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Updated: Aug 5 2010
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Original Entry Date: Jul 26 2010
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.0 - 2.0.16
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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.
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Impact:
A remote user can create a certificate that, when imported by the target user, will potentially execute arbitrary code on the target system.
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Solution:
The vendor has issued a patch, available at:
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
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Vendor URL: lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Mon, 26 Jul 2010 18:37:19 +0000
Subject: GnuPG
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[Announce] Security Alert for GnuPG 2.0 - Realloc bug in GPGSM
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
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