CVE-2023-6860

Mozilla: Potential sandbox escape due to <code>VideoBridge</code> lack of texture validation

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

El "VideoBridge" permitía que cualquier proceso de contenido utilizara texturas producidas por decodificadores remotos. Se podría abusar de esto para escapar de la sandbox. Esta vulnerabilidad afecta a Firefox ESR <115.6, Thunderbird <115.6 y Firefox <121.

The Mozilla Foundation Security Advisory describes this flaw as:

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox.

*Credits: Andrew Osmond

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

2023-12-15 CVE Reserved
2023-12-19 CVE Published
2024-02-02 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (10)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html	Mailing List
https://security.gentoo.org/glsa/202401-10	Third Party Advisory
https://www.debian.org/security/2023/dsa-5581	Third Party Advisory
https://www.debian.org/security/2023/dsa-5582	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2023-54	2024-02-02
https://www.mozilla.org/security/advisories/mfsa2023-55	2024-02-02
https://www.mozilla.org/security/advisories/mfsa2023-56	2024-02-02
https://access.redhat.com/security/cve/CVE-2023-6860	2024-01-02
https://bugzilla.redhat.com/show_bug.cgi?id=2255365	2024-01-02

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"				< 121.0 Search vendor "Mozilla" for product "Firefox" and version " < 121.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 115.6 Search vendor "Mozilla" for product "Firefox Esr" and version " < 115.6"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 115.6 Search vendor "Mozilla" for product "Thunderbird" and version " < 115.6"		-		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
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0"		-		Affected