CVE-2017-7798

Impact:
Critical
Public Date:
2017-08-08
CWE:
CWE-77
Bugzilla:
1479213: CVE-2017-7798 Mozilla: XUL injection in the style editor in devtools (MFSA 2017-19)

The MITRE CVE dictionary describes this issue as:

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.

Find out more about CVE-2017-7798 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 8.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:2456 2017-08-10
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:2456 2017-08-10

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation