CVE-2018-12370

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.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201810-01 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-15/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1456652 issue tracking patch vendor advisory
http://www.securitytracker.com/id/1041193 vdb entry third party advisory
https://usn.ubuntu.com/3705-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-12370?
CVE-2018-12370 has been scored as a high severity vulnerability.
How to fix CVE-2018-12370?
To fix CVE-2018-12370, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-12370 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-12370 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-12370?
CVE-2018-12370 affects Mozilla Firefox.
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