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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2022-12-22T00:00:00

Updated: 2024-08-03T12:28:42.952Z

Reserved: 2022-09-19T00:00:00

Link: CVE-2022-40958

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-12-22T20:15:39.080

Modified: 2023-01-04T03:50:20.257

Link: CVE-2022-40958

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-09-20T00:00:00Z

Links: CVE-2022-40958 - Bugzilla