CVE-2024-0747

Mozilla: Bypass of Content Security Policy when directive unsafe-inline was set

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Cuando una página principal cargaba una secundaria en un iframe con "unsafe-inline", la política de seguridad de contenido principal podría haber anulado la política de seguridad de contenido secundaria. Esta vulnerabilidad afecta a Firefox < 122, Firefox ESR < 115.7 y Thunderbird < 115.7.

The Mozilla Foundation Security Advisory describes this flaw as:

When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy.

*Credits: Seongil Wi

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

2024-01-19 CVE Reserved
2024-01-23 CVE Published
2024-02-08 EPSS Updated
2024-08-01 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1021: Improper Restriction of Rendered UI Layers or Frames

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html	Mailing List
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2024-01	2024-02-02
https://www.mozilla.org/security/advisories/mfsa2024-02	2024-02-02
https://www.mozilla.org/security/advisories/mfsa2024-04	2024-02-02
https://access.redhat.com/security/cve/CVE-2024-0747	2024-01-30
https://bugzilla.redhat.com/show_bug.cgi?id=2259929	2024-01-30

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"				< 122.0 Search vendor "Mozilla" for product "Firefox" and version " < 122.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 115.7 Search vendor "Mozilla" for product "Firefox Esr" and version " < 115.7"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 115.7 Search vendor "Mozilla" for product "Thunderbird" and version " < 115.7"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected