National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-4351 Detail

Current Description

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.

Source:  MITRE      Last Modified:  10/09/2013      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2013-4351
Original release date:
10/09/2013
Last revised:
01/03/2014
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore:
4.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html External Source SUSE openSUSE-SU-2013:1526
http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html External Source SUSE openSUSE-SU-2013:1532
http://rhn.redhat.com/errata/RHSA-2013-1459.html External Source REDHAT RHSA-2013:1459
http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138 External Source CONFIRM http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138
http://ubuntu.com/usn/usn-1987-1 External Source UBUNTU USN-1987-1
http://www.debian.org/security/2013/dsa-2773 External Source DEBIAN DSA-2773
http://www.debian.org/security/2013/dsa-2774 External Source DEBIAN DSA-2774
http://www.openwall.com/lists/oss-security/2013/09/13/4 External Source MLIST [oss-security] 20130913 Re: GnuPG treats no-usage-permitted keys as all-usages-permitted
https://bugzilla.redhat.com/show_bug.cgi?id=1010137 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1010137

Technical Details

Vulnerability Type (View All)

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