mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate.
https://bugzilla.redhat.com/show_bug.cgi?id=1197127
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663
http://www.openwall.com/lists/oss-security/2015/02/26/6
Source: Mitre, NVD
Published: 2018-02-03
Updated: 2018-03-13
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00163