CVE-2023-4581 Information

Description

Excel .xll add-in files did not have a blocklist entry in Firefox’s executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117 Firefox ESR < 102.15 Firefox ESR < 115.2 Thunderbird < 102.15 and Thunderbird < 115.2.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Reference

https://www.mozilla.org/security/advisories/mfsa2023-34/ https://bugzilla.mozilla.org/show_bug.cgi?id=1843758 https://www.mozilla.org/security/advisories/mfsa2023-36/ https://www.mozilla.org/security/advisories/mfsa2023-35/ https://www.mozilla.org/security/advisories/mfsa2023-38/ https://www.mozilla.org/security/advisories/mfsa2023-37/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3