Vulnerability Description
In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, bypassing CSRF protections. This vulnerability affects Firefox < 61.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Mozilla | Firefox | < 61.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1041193Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1456652Issue TrackingPatchVendor Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://usn.ubuntu.com/3705-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
- http://www.securitytracker.com/id/1041193Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1456652Issue TrackingPatchVendor Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://usn.ubuntu.com/3705-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
FAQ
What is CVE-2018-12370?
CVE-2018-12370 is a vulnerability with a CVSS score of 8.8 (HIGH). In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, b...
How severe is CVE-2018-12370?
CVE-2018-12370 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12370?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Mozilla Firefox.