Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnupg | Gnupg | 1.4.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html
- http://rhn.redhat.com/errata/RHSA-2013-1459.html
- http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138
- http://ubuntu.com/usn/usn-1987-1
- http://www.debian.org/security/2013/dsa-2773
- http://www.debian.org/security/2013/dsa-2774
- http://www.openwall.com/lists/oss-security/2013/09/13/4
- https://bugzilla.redhat.com/show_bug.cgi?id=1010137
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html
- http://rhn.redhat.com/errata/RHSA-2013-1459.html
- http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138
- http://ubuntu.com/usn/usn-1987-1
- http://www.debian.org/security/2013/dsa-2773
FAQ
What is CVE-2013-4351?
CVE-2013-4351 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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 inte...
How severe is CVE-2013-4351?
CVE-2013-4351 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4351?
Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Gnupg.