CVE-2019-11693

Mozilla: Buffer overflow in WebGL bufferdata on Linux

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. *Note: this issue only occurs on Linux. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

La función de datos de búfer en WebGL es vulnerable a un desbordamiento de búfer con controladores de gráficos específicos en Linux. Esto podría hacer que el contenido malicioso congele una pestaña o desencadene un bloqueo potencialmente explotable. * Nota: este problema solo ocurre en Linux. Otros sistemas operativos no se ven afectados. *. Esta vulnerabilidad afecta a Thunderbird anterior a 60.7, Firefox anterior a 67 y Firefox ESR anterior a 60.7.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-05-03 CVE Reserved
2019-05-22 CVE Published
2024-07-16 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787: Out-of-bounds Write

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2019-13	2021-07-21
https://www.mozilla.org/security/advisories/mfsa2019-14	2021-07-21
https://www.mozilla.org/security/advisories/mfsa2019-15	2021-07-21
https://access.redhat.com/security/cve/CVE-2019-11693	2019-06-03
https://bugzilla.redhat.com/show_bug.cgi?id=1712619	2019-06-03

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"	< 67.0 Search vendor "Mozilla" for product "Firefox" and version " < 67.0"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Mozilla Search vendor "Mozilla"	Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"	< 60.7.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 60.7.0"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Mozilla Search vendor "Mozilla"	Thunderbird Search vendor "Mozilla" for product "Thunderbird"	< 60.7.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 60.7.0"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe