CVE-2018-12398
UnknownEPSS 1.62%
Last modified
CVE-2018-12398 is a vulnerability of currently unknown severity. By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.. EPSS estimates a 1.62% chance of exploitation in the next 30 days.
Description
By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 63.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
References
- http://www.securityfocus.com/bid/105721Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041944Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1460538Issue Tracking, Permissions Required, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1488061Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/3801-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-26/Vendor Advisory
- http://www.securityfocus.com/bid/105721Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041944Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1460538Issue Tracking, Permissions Required, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1488061Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/3801-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-26/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-12398?
By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.
How severe is CVE-2018-12398?
Severity scoring for CVE-2018-12398 is pending analysis. The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.
How do I fix CVE-2018-12398?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-12398?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST