Same-origin policy bypass in Mozilla Firefox - CVE-2017-5407
Published: March 7, 2017
Vulnerability identifier: #VU5927
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5407
CWE-ID: CWE-346
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 same-origin policy.
The vulnerability exists due to an error when parsing SVG filters that do not use the fixed point math implementation on a target iframe. Remote attacker can create a specially crafted Web page, trick the victim into visiting it and make a malicious page can extract pixel values from a targeted user.
Successful exploitation of the vulnerability may allow an attacker to extract history information and read text values across domains.
How to mitigate CVE-2017-5407
Update to Firefox 52.