Security restrictions bypass in Mozilla Firefox - CVE-2017-7804

 

Security restrictions bypass in Mozilla Firefox - CVE-2017-7804

Published: August 14, 2017


Vulnerability identifier: #VU7840
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7804
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 weakness exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website,cause the WindowsDllDetourPatcher class to bypass memory protections and write arbitrary data to arbitrary memory locations.

Affected software

Mozilla Firefox
Mozilla Thunderbird
SUSE Linux
Opensuse

How to mitigate CVE-2017-7804

Update to version 55.0.


External References

Related Security Bulletins