Improper input validation in GNOME Web (Epiphany) - CVE-2018-12016
Published: July 4, 2018
Vulnerability identifier: #VU13558
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12016
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in libephymain.so in GNOME Web (aka Epiphany) due to insufficient validation of user-supplied input. A remote attacker can supply certain window.open and document.write calls and cause the service to crash.
Affected software
GNOME Web (Epiphany)
Fedora
epiphany
Fedora
epiphany
How to mitigate CVE-2018-12016
Install update from vendor's website.
epiphany - addressed in versions 3.26.7-1.fc27, 3.28.3-1.fc28, 3.28.3.1-1.fc28