CVE-2023-5727

Gentoo Linux Security Advisory 202402-25

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

La advertencia de archivo ejecutable no se presentó al descargar archivos .msix, .msixbundle, .appx, y .appxbundle, que pueden ejecutar comandos en el ordenador de un usuario. *Nota: Este problema solo afectó a los sistemas operativos Windows. Otros sistemas operativos no se ven afectados.* Esta vulnerabilidad afecta a Firefox < 119, Firefox ESR < 115.4 y Thunderbird < 115.4.1.

This update for MozillaFirefox fixes the following issues. Updated to version 115.4.0 ESR. Fixed a potential clickjack via queued up rendering. Fixed a cross-Origin size and header leakage. Fixed unexpected errors when handling invalid cookie characters. Fixed a crash due to a large WebGL draw. Fixed an issue where WebExtensions could open arbitrary URLs. Fixed an issue where fullscreen notifications would be obscured by file the open dialog on macOS. Fixed a download protection bypass on on Windows. Fixed a crash caused by improper object tracking during GC in the JavaScript engine. Fixed an issue where fullscreen notifications would be obscured by WebAuthn prompts. Fixed multiple memory safety issues. Fixed multiple memory safety issues.

*Credits: Marco Bonardo

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

Authentication

None

Confidentiality

None

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-23 CVE Reserved
2023-10-24 CVE Published
2024-09-11 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2023-45	2023-11-02
https://www.mozilla.org/security/advisories/mfsa2023-46	2023-11-02
https://www.mozilla.org/security/advisories/mfsa2023-47	2023-11-02

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"	< 119.0 Search vendor "Mozilla" for product "Firefox" and version " < 119.0"	-	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"	< 115.4 Search vendor "Mozilla" for product "Firefox Esr" and version " < 115.4"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Thunderbird Search vendor "Mozilla" for product "Thunderbird"	< 115.4.1 Search vendor "Mozilla" for product "Thunderbird" and version " < 115.4.1"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe