Reliance on Cookies without Validation and Integrity Checking in a Security Decision Affecting firefox package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.1% (45th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-3030752
  • published22 Sept 2022
  • disclosed20 Sept 2022

Introduced: 20 Sep 2022

CVE-2022-40958  (opens in a new tab)
CWE-784  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 firefox.

NVD Description

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

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

CVSS Scores

version 3.1