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[email protected]CVE-2018-5142

HistoryJun 11, 2018 - 9:29 p.m.

CVE-2018-5142

2018-06-1121:29:14

[email protected]

web.nvd.nist.gov

cve-2018-5142

media capture

streams api

permission

data url

blob url

firefox vulnerability

security issue

user confusion

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

6.2 Medium

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

73.7%

JSON

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.

Affected configurations

Vulners

NVD

Node

mozillafirefoxRange≤59

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "59",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]