Vulnerability CVE-2015-2091


Published: 2015-03-13

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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Apache -> Mod-gnutls 

 References:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663
http://www.debian.org/security/2015/dsa-3177
http://issues.outoforder.cc/view.php?id=93

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