Buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-17024

 

Buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-17024

Published: January 7, 2020 / Updated: January 8, 2020


Vulnerability identifier: #VU24062
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-2019-17024
CWE-ID: CWE-119
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 HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption 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
Gentoo Linux
Arch Linux
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for x86_64
Slackware Linux
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
firefox (Ubuntu package)
thunderbird (Debian package)
thunderbird (Ubuntu package)
firefox-esr (Alpine package)
firefox (Alpine package)
firefox-esr (Debian package)
Mozilla Thunderbird

How to mitigate CVE-2019-17024

Install updates from vendor's website.

Firefox ESR - update to 68.4.0
Mozilla Firefox - update to 72.0
firefox (Ubuntu package) - addressed in versions 72.0.1+build1-0ubuntu0.16.04.1, 72.0.1+build1-0ubuntu0.18.04.1, 72.0.1+build1-0ubuntu0.19.04.1, 72.0.1+build1-0ubuntu0.19.10.1
thunderbird (Debian package) - addressed in versions 1:68.4.1-1~deb9u1, 1:68.4.1-1~deb10u1
thunderbird (Ubuntu package) - addressed in versions 1:68.4.1+build1-0ubuntu0.18.04.1, 1:68.4.1+build1-0ubuntu0.19.10.1, 1:68.7.0+build1-0ubuntu0.16.04.2
Mozilla Thunderbird - update to 68.4.1
firefox-esr (Alpine package) - update to 68.4.1-r0
firefox (Alpine package) - update to 72.0.1-r0
firefox-esr (Debian package) - update to 68.4.1esr-1~deb10u1

External References

Related Security Bulletins