CVE-2009-5138

gnutls: incorrect handling of V1 intermediate certificates

Severity Score

5.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

GnuTLS anterior a 2.7.6, cuando el indicador GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT no está habilitado, trata certificados X.509 de versión 1 como CAs intermedios, lo que permite a atacantes remotos evadir restricciones mediante el aprovechamiento de un certificado X.509 V1 de un CA confiable para emitir certificados nuevos, una vulnerabilidad diferente a CVE-2014-1959.

*Credits: N/A

CVSS Scores

NISTv2 5.8

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2014-02-26 CVE Reserved
2014-03-03 CVE Published
2023-10-17 EPSS Updated
2024-08-07 CVE Updated
2024-08-07 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls
CWE-295: Improper Certificate Validation

CAPEC

References (15)

URL	Tag	Source
http://article.gmane.org/gmane.comp.security.oss.general/12223	Mailing List
http://secunia.com/advisories/57254	Third Party Advisory
http://secunia.com/advisories/57260	Third Party Advisory
http://secunia.com/advisories/57274	Third Party Advisory
http://secunia.com/advisories/57321	Third Party Advisory
http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3351/focus=3361	Mailing List
http://thread.gmane.org/gmane.comp.security.oss.general/12127	Mailing List

URL	Date	SRC
https://gitorious.org/gnutls/gnutls/commit/c8dcbedd1fdc312f5b1a70fcfbc1afe235d800cd	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00000.html	2014-04-01
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html	2014-04-01
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00003.html	2014-04-01
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00020.html	2014-04-01
http://rhn.redhat.com/errata/RHSA-2014-0247.html	2014-04-01
https://bugzilla.redhat.com/show_bug.cgi?id=1069301	2014-03-03
https://access.redhat.com/security/cve/CVE-2009-5138	2014-03-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				<= 2.7.5 Search vendor "Gnu" for product "Gnutls" and version " <= 2.7.5"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.7.0 Search vendor "Gnu" for product "Gnutls" and version "2.7.0"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.7.1 Search vendor "Gnu" for product "Gnutls" and version "2.7.1"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.7.2 Search vendor "Gnu" for product "Gnutls" and version "2.7.2"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.7.3 Search vendor "Gnu" for product "Gnutls" and version "2.7.3"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.7.4 Search vendor "Gnu" for product "Gnutls" and version "2.7.4"		-		Affected