Information disclosure - CVE-2016-9904
Published: June 11, 2018 / Updated: August 4, 2020
Vulnerability identifier: #VU33597
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-9904
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
Affected software
SUSE Linux
firefox-esr (Alpine package)
firefox-esr (Alpine package)
How to mitigate CVE-2016-9904
Install update from vendor's website.
firefox-esr (Alpine package) - update to 45.6.0-r0
External References
- http://rhn.redhat.com/errata/RHSA-2016-2946.html
- http://www.securityfocus.com/bid/94885
- http://www.securitytracker.com/id/1037461
- https://bugzilla.mozilla.org/show_bug.cgi?id=1317936
- https://security.gentoo.org/glsa/201701-15
- https://www.debian.org/security/2017/dsa-3757
- https://www.mozilla.org/security/advisories/mfsa2016-94/
- https://www.mozilla.org/security/advisories/mfsa2016-95/
- https://www.mozilla.org/security/advisories/mfsa2016-96/