CVE-2008-4989
Medium
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).
SeverityMedium
CVSS5.9
Exploit probability80. percentile1.9%
Product
Gnutls
PublishedNov 13, 2008
First seenNov 13, 2008
How to fix
Update
- gnu gnutls2.6.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu gnutls | v < 2.6.1 | 2.6.1 |
| fedoraproject fedora | 8, 9 | — |
| canonical ubuntu_linux | 6.06, 7.10, 8.04, 8.10 | — |
| debian debian_linux | 4.0 | — |
| opensuse opensuse | 10.3 ≤ v ≤ 11.1 | — |
| suse linux_enterprise | 10.0, 11.0 | — |
| suse linux_enterprise_server | 10, 11 | — |
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