CVE-2020-6799

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types. This required Firefox to be configured as the default handler for a given file type and for a file downloaded to be opened in a third party application that insufficiently sanitized URL data. In that situation, clicking a link in the third party application could have been used to retrieve and execute files whose location was supplied through command line arguments. Note: This issue only affects Windows operating systems and when Firefox is configured as the default handler for non-default filetypes. Other operating systems are unaffected. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.

Los argumentos de la línea de comandos podrían haber sido inyectados durante la invocación de Firefox como un manejador shell para determinados tipos de archivos incompatibles. Esto requirió que Firefox sea configurado como el manejador predeterminado para un tipo de archivo dado y para que un archivo descargado sea aperturado en una aplicación de un tercero que no saneó suficientemente los datos de la URL. En esa situación, haciendo clic en un enlace de una aplicación de terceros podría haber sido usado para recuperar y ejecutar archivos cuya ubicación fue suministrada mediante argumentos de línea de comandos. Nota: Este problema sólo afecta a los sistemas operativos Windows y cuando Firefox es configurado como el manejador predeterminado para tipos de archivo no predeterminados. Otros sistemas operativos no están afectados. Esta vulnerabilidad afecta a Firefox versiones anteriores a 73 y Firefox versiones anteriores a ESR68.5.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-10 CVE Reserved
2020-02-14 CVE Published
2024-01-04 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1606596	2022-01-01

URL	Date	SRC
https://security.gentoo.org/glsa/202003-02	2022-01-01
https://www.mozilla.org/security/advisories/mfsa2020-05	2022-01-01
https://www.mozilla.org/security/advisories/mfsa2020-06	2022-01-01

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"	< 73.0 Search vendor "Mozilla" for product "Firefox" and version " < 73.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"	< 68.5.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.5.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe