#VU9317 Cross-origin information disclosure in Mozilla Firefox and Firefox ESR - CVE-2017-7830
Published: November 15, 2017
Vulnerability identifier: #VU9317
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7830
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an error when processing cross-origin iframes in the Resource Timing API. A remote attacker can gain access to data, related to another URL.
Remediation
Update to version Firefox 57 or Firefox ESR 52.5.