CVE Daily

CVE-2022-40958

By injecting a cookie with certain special characters, an attacker on a shared s...

Medium CVSS 6.5

Overview

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.

CWE: CWE-74 Published: 2022-12-22T20:15:39.080
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.5 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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