CVE-2021-37973
Google Chromium Use-After-Free Vulnerability - [Actively Exploited]
Description
Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
INFO
Published Date :
Oct. 8, 2021, 10:15 p.m.
Last Modified :
July 26, 2024, 7:39 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
2.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Google Chromium Portals contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects web browsers that utilize Chromium, including Google Chrome and Microsoft Edge.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2021-37973 has a 2 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-2021-37973
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.
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-2021-37973.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html | Release Notes |
| https://crbug.com/1251727 | Issue Tracking Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ | Release Notes |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ | Release Notes |
| https://www.debian.org/security/2022/dsa-5046 | Mailing List Third Party 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).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-37973 vulnerability anywhere in the article.
-
Ars Technica
Commercial spyware vendor exploits used by Kremlin-backed hackers, Google says
MERCHANTS OF HACKING — Findings undercut pledges of NSO Group and Intellexa their wares won't be abused. Getty Images Critics of spyware and exploit sellers have long warned that the advanced hacki ... Read more
-
The Hacker News
Russian Hackers Exploit Safari and Chrome Flaws in High-Profile Cyberattack
Cybersecurity researchers have flagged multiple in-the-wild exploit campaigns that leveraged now-patched flaws in Apple Safari and Google Chrome browsers to infect mobile users with information-steali ... Read more
-
Help Net Security
Midnight Blizzard delivered iOS, Chrome exploits via compromised government websites
Suspected Russian hackers have been hitting iPhone and Android users visiting government websites with exploits first leveraged by commercial surveillance vendors, Google TAG researchers shared. The w ... Read more
-
Google
State-backed attackers and commercial surveillance vendors repeatedly use the same exploits
Our latest n-day exploit reporting shows that in an attack on Mongolian government websites, Russian-backed APT29 is suspected of using the same exploits as Intellexa and NSO. We’re sharing details an ... Read more
The following table lists the changes that have been made to the
CVE-2021-37973 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.
-
Modified Analysis by [email protected]
Jul. 26, 2024
Action Type Old Value New Value Changed Reference Type https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html Release Notes, Vendor Advisory https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html Release Notes Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ Release Notes Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ Release Notes Changed Reference Type https://www.debian.org/security/2022/dsa-5046 Third Party Advisory https://www.debian.org/security/2022/dsa-5046 Mailing List, Third Party Advisory -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Feb. 15, 2024
Action Type Old Value New Value Changed Vulnerability Name Google Chromium Use-After-Free Vulnerability Google Chromium Portals Use-After-Free Vulnerability -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Chrome https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ [No types assigned] Added Reference Chrome https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ [No types assigned] Removed Reference Chrome https://lists.fedoraproject.org/archives/list/[email protected]/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ Removed Reference Chrome https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ -
Modified Analysis by [email protected]
Mar. 30, 2022
Action Type Old Value New Value Changed Reference Type https://crbug.com/1251727 Permissions Required, Vendor Advisory https://crbug.com/1251727 Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5046 No Types Assigned https://www.debian.org/security/2022/dsa-5046 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 15, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5046 [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 24, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 17, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 17, 2021
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 30, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 14, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Changed Reference Type https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html No Types Assigned https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html Release Notes, Vendor Advisory Changed Reference Type https://crbug.com/1251727 No Types Assigned https://crbug.com/1251727 Permissions Required, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ Mailing List, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 94.0.4606.61 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 09, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-37973 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-2021-37973
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.62 }} 0.16%
score
0.87707
percentile