National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-12379 Detail

Current Description

When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Source:  MITRE
Description Last Modified:  10/18/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
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/105280 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041610 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2692 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2693 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3403 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3458 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1473113 Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201810-01 Third Party Advisory
https://security.gentoo.org/glsa/201811-13 Third Party Advisory
https://www.debian.org/security/2018/dsa-4327 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-20/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-21/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-25/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12379
NVD Published Date:
10/18/2018
NVD Last Modified:
12/06/2018