CVE-2016-9900

Impact:
Moderate
Public Date:
2016-12-14
Bugzilla:
1404090: CVE-2016-9900 Mozilla: Restricted external resources can be loaded by SVG images through data URLs (MFSA 2016-94, MFSA 2016-95)

The MITRE CVE dictionary describes this issue as:

External resources that should be blocked when loaded by SVG images can bypass security restrictions through the use of "data:" URLs. This could allow for cross-domain data leakage. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Find out more about CVE-2016-9900 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:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

CVSS v3 metrics

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).

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 insertscript as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation