CVE-2024-0753

Mozilla: HSTS policy on subdomain could bypass policy of upper domain

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

En configuraciones HSTS específicas, un atacante podría haber omitido HSTS en un subdominio. Esta vulnerabilidad afecta a Firefox < 122, Firefox ESR < 115.7 y Thunderbird < 115.7.

The Mozilla Foundation Security Advisory describes this flaw as: In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain.

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, phishing, clickjacking, privilege escalation, HSTS bypass or bypass of content security policies.

*Credits: Hanno Böck

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

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Complete

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
2025-02-13 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-326: Inadequate Encryption Strength

CAPEC

References (8)

URL	Tag	Source
https://bugzilla.mozilla.org/show_bug.cgi?id=1870262	Issue Tracking
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-2024-0753	2024-01-30
https://bugzilla.redhat.com/show_bug.cgi?id=2259933	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