National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-12368 Detail

Current Description

Windows 10 does not warn users before opening executable files with the SettingContent-ms extension even when they have been downloaded from the internet and have the "Mark of the Web." Without the warning, unsuspecting users unfamiliar with this new file type might run an unwanted executable. This also allows a WebExtension with the limited downloads.open permission to execute arbitrary code without user interaction on Windows 10 systems. *Note: this issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.1 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.2

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104560 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041193 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1468217 Issue Tracking Permissions Required Vendor Advisory
https://posts.specterops.io/the-tale-of-settingcontent-ms-files-f1ea253e4d39 Exploit Third Party Advisory
https://security.gentoo.org/glsa/201810-01 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-15/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-16/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-17/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-18/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-19/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
61.0
 cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
52.9
 cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
53.0		Up to (excluding)
60.1.0
 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
52.9
Running on/with
 cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12368
NVD Published Date:
10/18/2018
NVD Last Modified:
12/06/2018