Buffer overflow in Mozilla Firefox - CVE-2019-17025

 

Buffer overflow in Mozilla Firefox - CVE-2019-17025

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


Vulnerability identifier: #VU24063
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-2019-17025
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

Mozilla Firefox
Arch Linux
Slackware Linux
firefox (Ubuntu package)
firefox (Alpine package)

How to mitigate CVE-2019-17025

Install updates from vendor's website.

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
firefox (Alpine package) - update to 72.0.1-r0

External References

Related Security Bulletins