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VULNERABILITIES

CVE-2015-8960 Details

Description

The TLS protocol 1.2 and earlier supports the rsa_fixed_dh, dss_fixed_dh, rsa_fixed_ecdh, and ecdsa_fixed_ecdh values for ClientCertificateType but does not directly document the ability to compute the master secret in certain situations with a client secret key and server public key but not a server secret key, which makes it easier for man-in-the-middle attackers to spoof TLS servers by leveraging knowledge of the secret key for an arbitrary installed client X.509 certificate, aka the "Key Compromise Impersonation (KCI)" issue.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://kcitls.org CVEExploitTechnical Description
https://security.netapp.com/advisory/ntap-20180626-0002/ CVEThird Party Advisory
https://www.usenix.org/system/files/conference/woot15/woot15-paper-hlauschek.pdf CVEExploitMitigationTechnical Description
http://twitter.com/matthew_d_green/statuses/630908726950674433 CVEPress/Media CoverageTechnical DescriptionThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/20/4 CVEMailing ListTechnical DescriptionThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate Validation[email protected]

Affected Products

ProductVersions

Change History

9 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2015-8960
NVD Published Date:
Sep 21, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2015-8960 Details - Not Deferred