CVE-2009-5138 (GCVE-0-2009-5138)
Vulnerability from cvelistv5 – Published: 2014-03-06 18:00 – Updated: 2024-08-07 07:32
VLAI
EPSS
VEX
Summary
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 restrictions by leveraging a X.509 V1 certificate from a trusted CA to issue new certificates, a different vulnerability than CVE-2014-1959.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
14 references
Date Public
2009-01-09 00:00
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CVE-2014-1959.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"baseScore\":5.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.7.5\",\"matchCriteriaId\":\"B6933E02-FFDA-4A43-B57A-4DAB1562ECAC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:2.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CAAA2229-7618-49C1-B420-E0E46DC89D91\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:2.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"63BC1989-DBCD-4006-916D-719A2CD92CAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:2.7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9497DC81-8CFF-44DD-BF0A-D2B5A9482131\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:2.7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F15C655C-2833-4263-BD99-F31331AC80CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:gnutls:2.7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B5E7C27-A5D9-4ABD-AFC5-5367083F387F\"}]}]}],\"references\":[{\"url\":\"http://article.gmane.org/gmane.comp.security.oss.general/12223\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00000.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00003.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00020.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2014-0247.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/57254\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/57260\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/57274\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/57321\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3351/focus=3361\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://thread.gmane.org/gmane.comp.security.oss.general/12127\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1069301\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://gitorious.org/gnutls/gnutls/commit/c8dcbedd1fdc312f5b1a70fcfbc1afe235d800cd\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Patch\"]},{\"url\":\"http://article.gmane.org/gmane.comp.security.oss.general/12223\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00020.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2014-0247.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/57254\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/57260\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/57274\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/57321\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3351/focus=3361\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://thread.gmane.org/gmane.comp.security.oss.general/12127\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1069301\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://gitorious.org/gnutls/gnutls/commit/c8dcbedd1fdc312f5b1a70fcfbc1afe235d800cd\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:34:41+00:00",
"cve": "CVE-2009-5138",
"id": "CVE-2009-5138",
"initial_release_date": "2009-01-09T00:00:00+00:00",
"product_status:fixed": "81",
"product_status:known_affected": "1",
"product_status:known_not_affected": "11",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "gnutls: incorrect handling of V1 intermediate certificates",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-5138.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-07-26T01:56:10Z",
"cve": "CVE-2009-5138",
"id": "CVE-2009-5138",
"initial_release_date": "2023-02-15T06:01:10Z",
"product_status:known_not_affected": "8",
"product_status:recommended": "56",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2009-5138",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-5138.json",
"version": "8"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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