8.1
HIGH
CVE-2018-12386
Mozilla Firefox JavaScript Type Confusion RCE
Description

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

INFO

Published Date :

Oct. 18, 2018, 1:29 p.m.

Last Modified :

Dec. 6, 2018, 6:31 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2018-12386 has a 15 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-12386 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_aus
5 Redhat enterprise_linux_server_eus
6 Redhat enterprise_linux_server_tus
1 Mozilla firefox
2 Mozilla firefox_esr
1 Canonical ubuntu_linux
1 Debian debian_linux
: Total Affected Vendor : 4 | Products : 10
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-12386.

URL 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=1493900 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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
bmphx2/JSTargetFuzzer-v1.0

None

Dockerfile Shell Swift JavaScript Python C C++

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 26, 2024, 7:52 p.m. This repo has been linked 44 different CVEs too.
Profile Photo
TimerIzaya/fuzzilli-plus

None

Dockerfile Shell Swift JavaScript Python C

Updated: 2 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : July 28, 2024, 8:12 a.m. This repo has been linked 60 different CVEs too.
Profile Photo
TimerIzaya/izayailli

None

Dockerfile Shell Swift JavaScript Python C

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 10, 2024, 7:52 a.m. This repo has been linked 56 different CVEs too.
Profile Photo
zhangjiahui-buaa/MasterThesis

None

Dockerfile Shell Swift JavaScript Python C

Updated: 6 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 4, 2024, 7:46 a.m. This repo has been linked 60 different CVEs too.
Profile Photo
lnick2023/nicenice

None

Updated: 1 year, 10 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1042 different CVEs too.
Profile Photo
RUB-SysSec/JIT-Picker

None

Dockerfile Shell OCaml Swift C

Updated: 2 months, 3 weeks ago
60 stars 8 fork 8 watcher
Born at : Oct. 10, 2022, 1:34 p.m. This repo has been linked 38 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 3 months ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
xbl3/awesome-cve-poc_qazbnm456

None

Updated: 3 months, 1 week ago
13 stars 4 fork 4 watcher
Born at : May 25, 2020, 7:51 a.m. This repo has been linked 1027 different CVEs too.
Profile Photo
ZihanYe/web-browser-vulnerabilities

a list of web browser vulnerabilities

HTML JavaScript XSLT Python

Updated: 3 months, 3 weeks ago
20 stars 1 fork 1 watcher
Born at : April 26, 2020, 9:52 a.m. This repo has been linked 27 different CVEs too.
Profile Photo
0xLyte/cve-2018-12386

CVE-2018-12386 - Firefox Sandboxed RCE Exploit for Linux (Firefox <v62.0.3)

JavaScript HTML

Updated: 8 months ago
2 stars 0 fork 0 watcher
Born at : April 10, 2020, 11:59 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
Hydra3evil/cve-2018-12386

CVE-2018-12386 - Firefox Sandboxed RCE Exploit for Linux (Firefox <v62.0.3)

JavaScript HTML

Updated: 2 years, 3 months ago
2 stars 0 fork 0 watcher
Born at : Aug. 9, 2019, 7:58 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
googleprojectzero/fuzzilli

A JavaScript Engine Fuzzer

C Swift Shell Dockerfile JavaScript Python

Updated: 2 months, 2 weeks ago
1851 stars 290 fork 290 watcher
Born at : March 20, 2019, 3:32 p.m. This repo has been linked 60 different CVEs too.
Profile Photo
niklasb/sploits

None

JavaScript HTML Batchfile C C++ Python

Updated: 2 months, 4 weeks ago
156 stars 24 fork 24 watcher
Born at : Jan. 16, 2019, 1:15 p.m. This repo has been linked 8 different CVEs too.
Profile Photo
m00zh33/sploits

None

JavaScript Batchfile C C++ Python

Updated: 3 months, 1 week ago
4 stars 48 fork 48 watcher
Born at : Nov. 23, 2018, 1:50 a.m. This repo has been linked 7 different CVEs too.
Profile Photo
qazbnm456/awesome-cve-poc

✍️ A curated list of CVE PoCs.

awesome cve poc

Updated: 2 months, 2 weeks ago
3289 stars 678 fork 678 watcher
Born at : Feb. 2, 2017, 6:43 a.m. This repo has been linked 1042 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-12386 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-12386 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 06, 2018

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
    Changed Reference Type https://security.gentoo.org/glsa/201810-01 No Types Assigned https://security.gentoo.org/glsa/201810-01 Third Party Advisory
    Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2018-24/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2018-24/ Vendor Advisory
    Changed Reference Type http://www.securitytracker.com/id/1041770 No Types Assigned http://www.securitytracker.com/id/1041770 Third Party Advisory, VDB Entry
    Changed Reference Type https://usn.ubuntu.com/3778-1/ No Types Assigned https://usn.ubuntu.com/3778-1/ Third Party Advisory
    Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1493900 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1493900 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2884 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2884 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2881 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2881 Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/105460 No Types Assigned http://www.securityfocus.com/bid/105460 Third Party Advisory, VDB Entry
    Changed Reference Type https://www.debian.org/security/2018/dsa-4310 No Types Assigned https://www.debian.org/security/2018/dsa-4310 Third Party Advisory
    Added CWE CWE-704
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 62.0.3 *cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* versions up to (excluding) 60.2.2
  • CVE Modified by [email protected]

    Oct. 20, 2018

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201810-01 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 19, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4310 [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3778-1/ [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:2884 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:2881 [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1041770 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/105460 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-12386 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-12386 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.77 }} 1.46%

score

0.92845

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: