Home/CVE/libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common
CVE

CVE-2009-2730

libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common

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.

HIGH · CVSS 7.5 EPSS 0.02695
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
gnu gnutls<= 2.8.1
gnu gnutlsall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD12 Aug 2009 · 10:30 AM
⚑

Vendor Advisories

3
rhsaRHSA-2010:0095Important
usnUSN-809-1
rhsaRHSA-2009:1232Moderate
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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