National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-12387 Detail

Current Description

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.1 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 3.9


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

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105460 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041770 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2881 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493903 Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201810-01 Third Party Advisory
https://usn.ubuntu.com/3778-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4310 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-24/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12387
NVD Published Date:
10/18/2018
NVD Last Modified:
12/06/2018