Improper Data Handling Affecting nss package, versions <0:3.19.1-8.el6_7


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.29% (70th percentile)

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  • Snyk ID SNYK-CENTOS6-NSS-2126978
  • published 26 Jul 2021
  • disclosed 6 Jan 2016

How to fix?

Upgrade Centos:6 nss to version 0:3.19.1-8.el6_7 or higher.

NVD Description

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

Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

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