Vulnerability Details : CVE-2015-2091
The authentication hook (mgs_hook_authz) in mod-gnutls 0.5.10 and earlier does not validate client certificates when "GnuTLSClientVerify require" is set, which allows remote attackers to spoof clients via a crafted certificate.
Products affected by CVE-2015-2091
- cpe:2.3:a:apache:mod-gnutls:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2091
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2091
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-2091
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2091
-
http://www.debian.org/security/2015/dsa-3177
Debian -- Security Information -- DSA-3177-1 mod-gnutls
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663
#578663 - libapache2-mod-gnutls: GnuTLSClientVerify require is ignored. - Debian Bug report logs
-
http://issues.outoforder.cc/view.php?id=93
404 Not FoundVendor Advisory
-
https://security.gentoo.org/glsa/201709-04
mod_gnutls: Certificate validation error (GLSA 201709-04) — Gentoo security
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