CVE-2020-15652

Mozilla: Potential leak of redirect targets when loading scripts in a worker

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

Al observar el seguimiento de la pila de errores de JavaScript en los trabajadores web, fue posible filtrar el resultado de un redireccionamiento de origen cruzado. Esto se aplica solo al contenido que puede ser analizado como script. Esta vulnerabilidad afecta a Firefox versiones anteriores a 79, Firefox ESR versiones anteriores a 68.11, Firefox ESR versiones anteriores a 78.1, Thunderbird versiones anteriores a 68.11 y Thunderbird versiones anteriores a 78.1

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-10 CVE Reserved
2020-07-28 CVE Published
2024-07-17 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-209: Generation of Error Message Containing Sensitive Information
CWE-346: Origin Validation Error

CAPEC

References (12)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html	2022-12-06
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html	2022-12-06
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html	2022-12-06
https://bugzilla.mozilla.org/show_bug.cgi?id=1634872	2022-12-06
https://usn.ubuntu.com/4443-1	2022-12-06
https://www.mozilla.org/security/advisories/mfsa2020-30	2022-12-06
https://www.mozilla.org/security/advisories/mfsa2020-31	2022-12-06
https://www.mozilla.org/security/advisories/mfsa2020-32	2022-12-06
https://www.mozilla.org/security/advisories/mfsa2020-33	2022-12-06
https://www.mozilla.org/security/advisories/mfsa2020-35	2022-12-06
https://access.redhat.com/security/cve/CVE-2020-15652	2020-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=1861570	2020-08-06

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"				< 79.0 Search vendor "Mozilla" for product "Firefox" and version " < 79.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 68.11 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.11"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				>= 78.0 < 78.1 Search vendor "Mozilla" for product "Firefox Esr" and version " >= 78.0 < 78.1"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 68.11 Search vendor "Mozilla" for product "Thunderbird" and version " < 68.11"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				>= 78.0 < 78.1 Search vendor "Mozilla" for product "Thunderbird" and version " >= 78.0 < 78.1"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected