Improper Certificate Validation Affecting nss-softokn package, versions <0:3.44.0-7.el8_0


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.92% (83rd percentile)

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  • Snyk IDSNYK-ORACLE8-NSSSOFTOKN-2537829
  • published10 Apr 2022
  • disclosed23 Jul 2019

Introduced: 23 Jul 2019

CVE-2019-11727  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Oracle:8 nss-softokn to version 0:3.44.0-7.el8_0 or higher.
This issue was patched in ELSA-2019-1951.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-softokn package and not the nss-softokn package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.