CVE-2008-4989
The _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…
Does this matter?
Lower severity and a low EPSS score (1.88%). Track it; it rarely justifies an emergency change on its own.
Description
The _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).
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.88% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- gnu/gnutls · fedoraproject/fedora · canonical/ubuntu linux · debian/debian linux · opensuse/opensuse · suse/linux enterprise · suse/linux enterprise server
- Source
- cve@mitre.org
References
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3215Broken Link, Patch
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3217Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00002.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.htmlMailing List
- http://secunia.com/advisories/32619Broken Link, Vendor Advisory
- http://secunia.com/advisories/32681Broken Link
- http://secunia.com/advisories/32687Broken Link
- http://secunia.com/advisories/32879Broken Link
- http://secunia.com/advisories/33501Broken Link
- http://secunia.com/advisories/33694Broken Link
- http://secunia.com/advisories/35423Broken Link
- http://security.gentoo.org/glsa/glsa-200901-10.xmlThird Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-260528-1Broken Link
- http://wiki.rpath.com/Advisories:rPSA-2008-0322Broken Link
- http://www.debian.org/security/2009/dsa-1719Mailing List
- http://www.gnu.org/software/gnutls/security.htmlProduct
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:227Broken Link
- http://www.redhat.com/support/errata/RHSA-2008-0982.htmlBroken Link
- http://www.securityfocus.com/archive/1/498431/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/32232Broken Link, Patch, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1021167Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-678-2Third Party Advisory
- http://www.vupen.com/english/advisories/2008/3086Broken Link
- http://www.vupen.com/english/advisories/2009/1567Broken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46482Third Party Advisory, VDB Entry
- https://issues.rpath.com/browse/RPL-2886Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11650Broken Link
- https://usn.ubuntu.com/678-1/Broken Link
- https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00222.htmlMailing List
- https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00293.htmlMailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.