Vulnerability Description
libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnutls | <= 2.8.1 |
Related Weaknesses (CWE)
References
- http://article.gmane.org/gmane.network.gnutls.general/1733Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
- http://secunia.com/advisories/36266Vendor Advisory
- http://secunia.com/advisories/36496
- http://www.openwall.com/lists/oss-security/2009/08/14/6
- http://www.redhat.com/support/errata/RHSA-2009-1232.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securitytracker.com/id?1022777
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52404
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://article.gmane.org/gmane.network.gnutls.general/1733Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
FAQ
What is CVE-2009-2730?
CVE-2009-2730 is a vulnerability with a CVSS score of 7.5 (HIGH). libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, w...
How severe is CVE-2009-2730?
CVE-2009-2730 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2730?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Gnutls.