CVE-2018-5168

Impact:
Moderate
Public Date:
2018-05-09
CWE:
CWE-862
Bugzilla:
1576269: CVE-2018-5168 Mozilla: Lightweight themes can be installed without user interaction

The MITRE CVE dictionary describes this issue as:

Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

Find out more about CVE-2018-5168 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 (thunderbird) RHSA-2018:1725 2018-05-24
Red Hat Enterprise Linux 7 (firefox) RHSA-2018:1415 2018-05-14
Red Hat Enterprise Linux 6 (firefox) RHSA-2018:1414 2018-05-14
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2018:1726 2018-05-24

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 thunderbird Not affected
Red Hat Enterprise Linux 8 firefox 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 Wladimir Palant as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation