Key Management Errors Affecting nss-softokn-freebl package, versions <0:3.16.2.3-14.4.39.amzn1
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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Test your applications- Snyk IDSNYK-AMZN201803-NSSSOFTOKNFREEBL-1703632
- published27 Sept 2021
- disclosed1 Aug 2018
Introduced: 1 Aug 2018
CVE-2016-8635 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 nss-softokn-freebl to version 0:3.16.2.3-14.4.39.amzn1 or higher.
This issue was patched in ALAS-2016-774.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-softokn-freebl package and not the nss-softokn-freebl package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 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.