SB2017030710 - Same-origin policy bypass in Mozilla Firefox

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Main Vulnerability Database SB2017030710

SB2017030710 - Same-origin policy bypass in Mozilla Firefox

Published: March 7, 2017

Security Bulletin ID SB2017030710
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Same-origin policy bypass (CVE-ID: CVE-2017-5407)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: 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


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.

References