Cross-origin information disclosure in Firefox ESR and Mozilla Firefox - CVE-2017-7830

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Main Vulnerability Database Vulnerabilities #VU9317

Cross-origin information disclosure in Firefox ESR and Mozilla Firefox - CVE-2017-7830

Published: November 15, 2017


Vulnerability identifier: #VU9317
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2017-7830
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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. 


Affected software

Firefox ESR
Mozilla Firefox
Debian Linux
Gentoo Linux
Arch Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Workstation
SUSE Linux
Ubuntu
Opensuse
Mozilla Thunderbird

How to mitigate CVE-2017-7830

Update to version Firefox 57 or Firefox ESR 52.5.


External References

Related Security Bulletins