CVE-2013-4351

N/A Unknown
Published: October 10, 2013 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://ubuntu.com/usn/usn-1987-1
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2013-1459.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://ubuntu.com/usn/usn-1987-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2013/dsa-2773
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2013/dsa-2774
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2013/09/13/4
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1010137
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
1.3%
80th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

gnupg