Heap-based buffer overflow in Mozilla products - CVE-2023-6861

 

Heap-based buffer overflow in Mozilla products - CVE-2023-6861

Published: December 19, 2023


Vulnerability identifier: #VU84564
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-6861
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the nsWindow::PickerOpen(void) method when the browser is running in headless mode. A remote attacker can trick the victim to visit a specially crafted website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links