Vulnerability Details : CVE-2020-6418
Public exploit exists!
Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVE-2020-6418 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Google Chromium V8 Type Confusion Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Op
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-6418
Probability of exploitation activity in the next 30 days: 97.15%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ
Metasploit modules for CVE-2020-6418
-
Google Chrome 80 JSCreate side-effect type confusion exploit
Disclosure Date: 2020-02-19First seen: 2020-04-26exploit/multi/browser/chrome_jscreate_sideeffectThis module exploits an issue in Google Chrome 80.0.3987.87 (64 bit). The exploit corrupts the length of a float array (float_rel), which can then be used for out of bounds read and write on adjacent memory. The relative read and write is then used to modify a UInt64Array (u
CVSS scores for CVE-2020-6418
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-6418
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-6418
-
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html
Chrome Releases: Stable Channel Update for DesktopRelease Notes;Vendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
[SECURITY] Fedora 30 Update: chromium-80.0.3987.149-1.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html
Google Chrome 80 JSCreate Side-Effect Type Confusion ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/202003-08
Chromium, Google Chrome: Multiple vulnerabilities (GLSA 202003-08) — Gentoo securityThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2020:0738
RHSA-2020:0738 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://crbug.com/1053604
1053604 - Security: Incorrect side effect modelling for JSCreate - An open-source project to help move the web forward. - MonorailExploit;Issue Tracking;Patch;Vendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
[SECURITY] Fedora 31 Update: chromium-80.0.3987.132-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4638
Debian -- Security Information -- DSA-4638-1 chromiumThird Party Advisory
Products affected by CVE-2020-6418
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*