// For flags

CVE-2022-45410

Mozilla: ServiceWorker-intercepted requests bypassed SameSite cookie policy

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When a ServiceWorker intercepted a request with <code>FetchEvent</code>, the origin of the request was lost after the ServiceWorker took ownership of it. This had the effect of negating SameSite cookie protections. This was addressed in the spec and then in browsers. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Cuando un ServiceWorker interceptó una solicitud con <code>FetchEvent</code>, el origen de la solicitud se perdió después de que ServiceWorker tomó posesión de ella. Esto tuvo el efecto de anular las protecciones de cookies de SameSite. Esto se solucionó en la especificación y luego en los navegadores. Esta vulnerabilidad afecta a Firefox ESR &lt; 102,5, Thunderbird &lt; 102.5 y Firefox &lt; 107.

The Mozilla Foundation Security Advisory describes this flaw as: When a ServiceWorker intercepted a request with FetchEvent, the origin of the request was lost after the ServiceWorker took ownership of it. This had the effect of negating SameSite cookie protections. This was addressed in the spec and then in browsers.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-11-14 CVE Reserved
  • 2022-11-16 CVE Published
  • 2024-07-14 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-1275: Sensitive Cookie with Improper SameSite Attribute
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
Search vendor "Mozilla"
Firefox
Search vendor "Mozilla" for product "Firefox"
< 107.0
Search vendor "Mozilla" for product "Firefox" and version " < 107.0"
-
Affected
Mozilla
Search vendor "Mozilla"
Firefox Esr
Search vendor "Mozilla" for product "Firefox Esr"
< 102.5
Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.5"
-
Affected
Mozilla
Search vendor "Mozilla"
Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 102.5
Search vendor "Mozilla" for product "Thunderbird" and version " < 102.5"
-
Affected