CVE-2019-17000

Description

An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1441468 permissions required
https://www.mozilla.org/security/advisories/mfsa2019-34/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-17000?
CVE-2019-17000 has been scored as a medium severity vulnerability.
How to fix CVE-2019-17000?
To fix CVE-2019-17000, 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-2019-17000 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-17000 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-2019-17000?
CVE-2019-17000 affects Mozilla Firefox.
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