Improper Authentication Affecting nss-softokn package, versions <0:3.53.1-6.el7_9


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.22% (60th percentile)

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  • Snyk ID SNYK-CENTOS7-NSSSOFTOKN-2177741
  • published 26 Jul 2021
  • disclosed 8 Jan 2020

How to fix?

Upgrade Centos:7 nss-softokn to version 0:3.53.1-6.el7_9 or higher.

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 Centos. See How to fix? for Centos:7 relevant fixed versions and status.

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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Red Hat

5.3 medium