NULL Pointer Dereference Affecting nss-sysinit package, versions <0:3.44.0-7.el8_0


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.22% (62nd percentile)

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  • Snyk ID SNYK-RHEL8-NSSSYSINIT-3451872
  • published 26 Jul 2021
  • disclosed 22 Jan 2019

How to fix?

Upgrade RHEL:8 nss-sysinit to version 0:3.44.0-7.el8_0 or higher.
This issue was patched in RHSA-2019:1951.

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 RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.

CVSS Scores

version 3.1
Expand this section

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)
    None
  • Availability (A)
    High