VulnerabilityModified
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.
MEDIUM 5.0EPSS 3.25%
Does this matter?
Lower severity and a low EPSS score (3.25%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 3.25% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- apache/mod-gnutls
- Source
- cve@mitre.org
References
- http://issues.outoforder.cc/view.php?id=93Vendor Advisory
- http://www.debian.org/security/2015/dsa-3177
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663
- https://security.gentoo.org/glsa/201709-04
- http://issues.outoforder.cc/view.php?id=93Vendor Advisory
- http://www.debian.org/security/2015/dsa-3177
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663
- https://security.gentoo.org/glsa/201709-04
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.