Integer overflow in Mozilla Firefox - CVE-2019-5785

Vulnerability identifier: #VU17653

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-2019-5785

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to integer overflow in the Skia library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger integer overflow and execute arbitrary code on the target system.

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

Mozilla Firefox
Firefox ESR
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
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 Power
Slackware Linux
Opensuse
SUSE Package Hub for SUSE Linux Enterprise
thunderbird (Ubuntu package)
firefox (Ubuntu package)
firefox-esr (Alpine package)
firefox-esr (Debian package)
thunderbird (Debian package)
Mozilla Thunderbird

Install updates from vendor's website.

Mozilla Firefox - update to 65.0.1
thunderbird (Ubuntu package) - addressed in versions 1:60.5.1+build2-0ubuntu0.14.04.1, 1:60.5.1+build2-0ubuntu0.16.04.1, 1:60.5.1+build2-0ubuntu0.18.04.1, 1:60.5.1+build2-0ubuntu0.18.10.1
firefox (Ubuntu package) - addressed in versions 65.0.1+build2-0ubuntu0.14.04.1, 65.0.1+build2-0ubuntu0.16.04.1, 65.0.1+build2-0ubuntu0.18.04.1, 65.0.1+build2-0ubuntu0.18.10.1
Firefox ESR - update to 60.5.1
Mozilla Thunderbird - update to 60.5.1
firefox-esr (Alpine package) - update to 60.5.2-r0
firefox-esr (Debian package) - update to 60.5.1esr-1~deb9u1
thunderbird (Debian package) - update to 1:60.5.1-1~deb9u1

• https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/

• Multiple vulnerabilities in Mozilla Firefox
• Multiple vulnerabilities in Firefox ESR
• Slackware Linux update for mozilla-firefox
• Arch Linux update for firefox
• Multiple vulnerabilities in Mozilla Thunderbird
• Slackware Linux update for mozilla-thunderbird
• Debian update for firefox-esr
• Debian update for thunderbird
• OpenSUSE Linux update for MozillaFirefox
• Ubuntu update for Firefox
• Ubuntu update for Thunderbird
• OpenSUSE Linux update for MozillaThunderbird
• OpenSUSE Linux update for MozillaThunderbird
• Arch Linux update for thunderbird
• OpenSUSE Linux update for MozillaFirefox
• OpenSUSE Linux update for MozillaThunderbird
• OpenSUSE Linux update for MozillaThunderbird
• OpenSUSE Linux update for MozillaThunderbird
• Gentoo update for Mozilla Firefox
• Red Hat update for firefox
• Red Hat update for firefox
• Integer overflow in firefox-esr (Alpine package)