CVE-2016-8635

medium

Description

It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group.

References

http://rhn.redhat.com/errata/RHSA-2016-2779.html

http://www.securityfocus.com/bid/94346

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635

https://security.gentoo.org/glsa/201701-46

Details

Source: MITRE

Published: 2018-08-01

Updated: 2019-10-09

Type: CWE-320

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM