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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-9904 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | None |
Availability Impact | None |
CVSS3 Base Score | 5.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity Impact | None |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (firefox) | RHSA-2016:2946 | 2016-12-14 |
Red Hat Enterprise Linux 6 (firefox) | RHSA-2016:2946 | 2016-12-14 |
Red Hat Enterprise Linux 5 (firefox) | RHSA-2016:2946 | 2016-12-14 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | thunderbird | Not affected |
Red Hat Enterprise Linux 6 | thunderbird | Not affected |
Red Hat Enterprise Linux 5 | thunderbird | Not affected |