CVE-2018-12397

Impact:
Moderate
Public Date:
2018-10-23
CWE:
CWE-862
Bugzilla:
1642187: CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

The MITRE CVE dictionary describes this issue as:

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Find out more about CVE-2018-12397 from the MITRE CVE dictionary dictionary and NIST NVD.

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2018:3005 2018-10-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2018:3006 2018-10-24

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 thunderbird Not affected
Red Hat Enterprise Linux 8 firefox Not affected
Red Hat Enterprise Linux 7 thunderbird Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation