Security restrictions bypass in Mozilla Firefox - CVE-2018-12381

 

Security restrictions bypass in Mozilla Firefox - CVE-2018-12381

Published: September 6, 2018


Vulnerability identifier: #VU14639
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12381
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when the message's mail columns are incorrectly interpreted as a URL. A remote unauthenticated attacker can drag and drop an Outlook email message into the browser and trigger a page navigation.


Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux

How to mitigate CVE-2018-12381

Update to version 62.0.

Mozilla Firefox - update to 62.0
Firefox ESR - update to 60.2.0

External References

Related Security Bulletins