Security restrictions bypass in Mozilla Firefox - CVE-2017-7797

 

Security restrictions bypass in Mozilla Firefox - CVE-2017-7797

Published: August 14, 2017


Vulnerability identifier: #VU7853
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-7797
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

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 and bypass same-origin restrictions in processing stored header names.

How to mitigate CVE-2017-7797

Update to version 55.0.

Sources