CVE-2008-4989

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Summary

CVECVE-2008-4989
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2008-11-13 01:00:01 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle attackers to insert a spoofed certificate for any Distinguished Name (DN).

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Problem Types: CWE-295 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 6.06 All All All
Operating System Canonical Ubuntu Linux 7.10 All All All
Operating System Canonical Ubuntu Linux 8.04 All All All
Operating System Canonical Ubuntu Linux 8.10 All All All
Operating System Debian Debian Linux 4.0 All All All
Operating System Fedoraproject Fedora 8 All All All
Operating System Fedoraproject Fedora 9 All All All
Application Gnu Gnutls All All All All
Operating System Opensuse Opensuse All All All All
Operating System Suse Linux Enterprise 10.0 - All All
Operating System Suse Linux Enterprise 11.0 - All All
Operating System Suse Linux Enterprise Server 10 - All All
Operating System Suse Linux Enterprise Server 11 - All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
Gentoo update for gnutls - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Advisories:rPSA-2008-0322 - rPath Wiki af854a3a-2127-422b-91ae-364da2661108 wiki.rpath.com Broken Link
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
GnuTLS - GNU Project - Free Software Foundation af854a3a-2127-422b-91ae-364da2661108 www.gnu.org Product
GnuTLS X.509 Certificate Chain Validation Bug Permits Man-in-the-Middle Attacks - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Broken Link, Third Party Advisory, VDB Entry
[security-announce] SUSE Security Summary Report: SUSE-SR:2008:027 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Third Party Advisory, VDB Entry
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
Debian update for gnutls13 - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
Fedora update for gnutls - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Gmane -- Mail To News And Back Again af854a3a-2127-422b-91ae-364da2661108 article.gmane.org Broken Link, Patch
Ubuntu update for GnuTLS - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
GnuTLS: Certificate validation error — Gentoo Linux Documentation af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
GnuTLS X.509 Certificate Chain Validation Vulnerability - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link, Vendor Advisory
GnuTLS X.509 Certificate Chain Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Patch, Third Party Advisory, VDB Entry
issues.rpath.com/browse/RPL-2886 af854a3a-2127-422b-91ae-364da2661108 issues.rpath.com Broken Link
Red Hat update for gnutls - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Sun Solaris GnuTLS X.509 Certificate Chain Validation Vulnerability - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Support / Security / Advisories / / MDVSA-2008:227 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Broken Link
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Broken Link
USN-678-1: GnuTLS vulnerability | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Broken Link
USN-678-2: GnuTLS regression | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Broken Link
[security-announce] SUSE Security Summary Report: SUSE-SR:2009:009 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List
Debian -- Security Information -- DSA-1719-1 gnutls13 af854a3a-2127-422b-91ae-364da2661108 www.debian.org Mailing List
[SECURITY] Fedora 9 Update: gnutls-2.0.4-4.fc9 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Mailing List
Gmane -- Mail To News And Back Again af854a3a-2127-422b-91ae-364da2661108 article.gmane.org Broken Link
[SECURITY] Fedora 8 Update: gnutls-1.6.3-5.fc8 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Mailing List
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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