PRNG Seed Error Affecting nss-sysinit package, versions <0:3.36.0-9.el6_10


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
4.28% (93rd percentile)

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  • Snyk IDSNYK-CENTOS6-NSSSYSINIT-2152611
  • published26 Jul 2021
  • disclosed3 Sept 2018

Introduced: 3 Sep 2018

CVE-2018-12384  (opens in a new tab)
CWE-335  (opens in a new tab)

How to fix?

Upgrade Centos:6 nss-sysinit to version 0:3.36.0-9.el6_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-sysinit package and not the nss-sysinit package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.