CVE-2013-4351

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1010137

http://www.openwall.com/lists/oss-security/2013/09/13/4

http://www.debian.org/security/2013/dsa-2774

http://www.debian.org/security/2013/dsa-2773

http://ubuntu.com/usn/usn-1987-1

http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138

http://rhn.redhat.com/errata/RHSA-2013-1459.html

http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html

http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3