01 Record
CVE-2009-5138
GnuTLS before 2.7.6, when the GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT flag is not enabled, treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
GnuTLS before 2.7.6, when the GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT flag is not enabled, treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 78.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-03-06 18:00Z12 YR AGO
- Last updated
- 2024-08-07 07:32Z2 YR AGO
- Reserved
- 2014-02-26
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- cffff11de04f8c077e05cc77f73314feb05d6b8050d7f8b59122bec9e1b414b2
05 Affected products
06 References
- secunia.com57321http://secunia.com/advisories/57321
- secunia.com57260http://secunia.com/advisories/57260
- lists.opensuse.orgSUSE-SU-2014:0445http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00020.html
- secunia.com57274http://secunia.com/advisories/57274
- lists.opensuse.orgSUSE-SU-2014:0319http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00000.html
- article.gmane.org[oss-security] 20140225 Re: Re: CVE Request - GnuTLS corrects flaw in certificate verification (3.1.x/3.2.x)http://article.gmane.org/gmane.comp.security.oss.general/12223
- rhn.redhat.comRHSA-2014:0247http://rhn.redhat.com/errata/RHSA-2014-0247.html
- lists.opensuse.orgSUSE-SU-2014:0320http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html
- lists.opensuse.orgSUSE-SU-2014:0322http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00003.html
- thread.gmane.org[gnutls-devel] 20090109 Re: gnutls fails to use Verisign CA cert without a Basic Constrainthttp://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3351/focus=3361
- gitorious.orghttps://gitorious.org/gnutls/gnutls/commit/c8dcbedd1fdc312f5b1a70fcfbc1afe235d800cd
- secunia.com57254http://secunia.com/advisories/57254
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1069301
- thread.gmane.org[oss-security] 20140227 Re: CVE Request - GnuTLS corrects flaw in certificate verification (3.1.x/3.2.x)http://thread.gmane.org/gmane.comp.security.oss.general/12127