Buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-17005

Vulnerability identifier: #VU23375

CSH Severity: High

CVSS v4: 7.5 [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]

CVE-ID: CVE-2019-17005

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a memory corruption in plain text serializer. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Firefox ESR
Mozilla Firefox
Gentoo Linux
Arch 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 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)
Mozilla Thunderbird

Install updates from vendor's website.

Firefox ESR - update to 68.3.0
Mozilla Firefox - update to 71.0
firefox (Ubuntu package) - addressed in versions 71.0+build5-0ubuntu0.16.04.1, 71.0+build5-0ubuntu0.18.04.1, 71.0+build5-0ubuntu0.19.04.1, 71.0+build5-0ubuntu0.19.10.1
thunderbird (Debian package) - addressed in versions 1:68.3.0-2~deb9u1, 1:68.3.0-2~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 68.3.0
firefox-esr (Alpine package) - addressed in versions 68.3.0-r0, 68.4.1-r0

• https://www.mozilla.org/en-US/security/advisories/mfsa2019-36/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/

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