Input validation error in Mozilla Firefox - CVE-2018-12385

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Main Vulnerability Database Vulnerabilities #VU14905

Input validation error in Mozilla Firefox - CVE-2018-12385

Published: September 24, 2018


Vulnerability identifier: #VU14905
CSH Severity: Medium
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12385
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists within the TransportSecurityInfo function due to insufficient validation of data stored in the local cache in the user profile directory. A remote attacker with ability to write data into local cache (e.g. with combination of another vulnerability) can execute arbitrary code on the target system.


Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux
Arch Linux
Debian Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power
Opensuse
Mozilla Thunderbird
firefox-esr (Debian package)

How to mitigate CVE-2018-12385

Install updates from vendor's website.

Mozilla Firefox - update to 62.0.2
Mozilla Thunderbird - update to 60.2.1
Firefox ESR - update to 60.2.1
firefox-esr (Debian package) - update to 60.2.1esr-1~deb9u1

External References

Related Security Bulletins