cvelistv5 - CVE-2018-5174

CVE-2018-5174

Vulnerability from cvelistv5

Published

2018-06-11 21:00

Modified

2024-08-05 05:26

Severity ?

Summary

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEE_MASK_FLAG_NO_UI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen. Note: this issue only affects Windows 10 users running the April 2018 update or later. It does not affect other Windows users or other operating systems. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

References

URL	Tags
security@mozilla.org	http://www.securityfocus.com/bid/104136	Third Party Advisory, VDB Entry
security@mozilla.org	http://www.securitytracker.com/id/1040896	Third Party Advisory, VDB Entry
security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=1447080	Issue Tracking, Permissions Required, Third Party Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2018-11/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2018-12/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2018-13/	Vendor Advisory

Impacted products

▼	Vendor	Product
	Mozilla	Thunderbird
	Mozilla	Thunderbird ESR
	Mozilla	Firefox
	Mozilla	Firefox ESR

Show details on NVD website

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To clipboard

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  }
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2018-5174

Vulnerability from cvelistv5

gsd-2018-5174

Vulnerability from gsd

ghsa-cx2r-fxw7-w76f

Vulnerability from github

Tags

Sightings

Nomenclature