CVE-2016-9895

Impact:
Moderate
Public Date:
2016-12-14
Bugzilla:
1404086: CVE-2016-9895 Mozilla: CSP bypass using marquee tag (MFSA 2016-94, MFSA 2016-95)

The MITRE CVE dictionary describes this issue as:

Event handlers on "marquee" elements were executed despite a strict Content Security Policy (CSP) that disallowed inline JavaScript. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Find out more about CVE-2016-9895 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

CVSS v3 metrics

CVSS3 Base Score 6.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Impact Low
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 6 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux 5 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2016:2973 2016-12-21

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Andrew Krasichkov as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation