Stack-based buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-13722
Published: December 3, 2019
Vulnerability identifier: #VU23371
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13722
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing number of arguments during setting a thread name on Windows in WebRTC. A remote unauthenticated attacker can create a specially crafted web page, trick the victim into visiting it, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Firefox ESR
Mozilla Firefox
Slackware Linux
Opensuse
Mozilla Thunderbird
Mozilla Firefox
Slackware Linux
Opensuse
Mozilla Thunderbird
How to mitigate CVE-2019-13722
Install updates from vendor's website.
Firefox ESR - update to 68.3.0
Mozilla Firefox - update to 71.0
Mozilla Thunderbird - update to 68.3.0
Mozilla Firefox - update to 71.0
Mozilla Thunderbird - update to 68.3.0