Improperly Implemented Security Check for Standard Affecting nss-devel package, versions <0:3.21.3-2.el5_11
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed1 Aug 2018
Introduced: 1 Aug 2018
CVE-2016-8635 (opens in a new tab)How to fix?
Upgrade Oracle:5 nss-devel to version 0:3.21.3-2.el5_11 or higher.
This issue was patched in ELSA-2016-2779.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-devel package and not the nss-devel package as distributed by Oracle.
See How to fix? for Oracle:5 relevant fixed versions and status.
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.