Security restrictions bypass in Mozilla Firefox - CVE-2017-7837
Published: November 15, 2017
Vulnerability identifier: #VU9324
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7837
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to SVG loaded through <img> tags can use <meta> tags within the SVG data to set cookies for that page. A remote attacker can set arbitrary cookies and track the user's browser through them.
How to mitigate CVE-2017-7837
Update to version Firefox 57.