Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 insert a spoofed certificate for any Distinguished Name (DN).


Published

2008-11-13T01:00:01.177

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-295

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application gnu gnutls < 2.6.1 Yes
Operating System fedoraproject fedora 8 Yes
Operating System fedoraproject fedora 9 Yes
Operating System canonical ubuntu_linux 6.06 Yes
Operating System canonical ubuntu_linux 7.10 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 8.10 Yes
Operating System debian debian_linux 4.0 Yes
Operating System opensuse opensuse ≤ 11.1 Yes
Operating System suse linux_enterprise 10.0 Yes
Operating System suse linux_enterprise 11.0 Yes
Operating System suse linux_enterprise_server 10 Yes
Operating System suse linux_enterprise_server 11 Yes

References