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CVE-2018-5142 Details

Description

If Media Capture and Streams API permission is requested from documents with "data:" or "blob:" URLs, the permission notifications do not properly display the originating domain. The notification states "Unknown protocol" as the requestee, leading to user confusion about which site is asking for this permission. This vulnerability affects Firefox < 59.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1366357	CVE	Permissions Required
https://usn.ubuntu.com/3596-1/	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/	CVE	Vendor Advisory
http://www.securityfocus.com/bid/103386	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040514	CVE	Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1366357	[email protected]	Permissions Required
https://usn.ubuntu.com/3596-1/	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/103386	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040514	[email protected]	Third Party AdvisoryVDB Entry

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
mozilla firefox	< 59.0
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 17.10
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Aug 2, 2018	Initial Analysis	[email protected]
Jun 13, 2018	CVE Modified	[email protected]