CVE-2023-5174 Information

Description

If Windows failed to duplicate a handle during process creation the sandbox code may have inadvertently freed a pointer twice resulting in a use-after-free and a potentially exploitable crash. This bug only affects Firefox on Windows when run in non-standard configurations (such as using runas). Other operating systems are unaffected. This vulnerability affects Firefox < 118 Firefox ESR < 115.3 and Thunderbird < 115.3.

CVSS Vector

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

Reference

https://www.mozilla.org/security/advisories/mfsa2023-41/ https://www.mozilla.org/security/advisories/mfsa2023-43/ https://bugzilla.mozilla.org/show_bug.cgi?id=1848454 https://www.mozilla.org/security/advisories/mfsa2023-42/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8