Vulnerability CVE-2014-8155
Published: 2015-08-14

Description:
GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

Type:

CWE-17

 (Code)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
GNU -> Gnutls 

 References:
http://rhn.redhat.com/errata/RHSA-2015-1457.html
http://www.securityfocus.com/bid/73317
https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c
https://support.f5.com/csp/article/K53330207
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