SB2017030710 - Same-origin policy bypass in Mozilla Firefox
Published: March 7, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Same-origin policy bypass (CVE-ID: CVE-2017-5407)
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.
Remediation
Install update from vendor's website.