CVE-2021-21132
published 2021-02-09CVE-2021-21132: Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted…
PriorityP260critical9.6CVSS 3.1
AVNACLPRNUIRSCCHIHAH
EPSS
23.41%
97.5th percentile
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| debian | chromium | < chromium 88.0.4324.96-0.1 (bookworm) | chromium 88.0.4324.96-0.1 (bookworm) |
| chrome | < 88.0.4324.96 | 88.0.4324.96 | |
| chrome | >= unspecified < 88.0.4324.96 | 88.0.4324.96 | |
| chrome_chrome | — | — | |
| microsoft | edge_chromium | < 88.0.705.50 | 88.0.705.50 |
| msrc | microsoft_edge | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability exists in Google Chrome versions prior to 88.0.4324.96; detect unpatched Chrome installations below this version as potentially exploitable via crafted Chrome Extension targeting DevTools sandbox escape ↗
- →Microsoft Edge (Chromium-based) versions prior to 88.0.705.50 (released 1/21/2021, based on Chromium 88.0.4324.96) are also vulnerable; flag unpatched Edge installations ↗
- ·The attack vector involves a crafted Chrome Extension abusing DevTools inappropriate implementation; monitor for suspicious or unrecognized Chrome Extensions that interact with DevTools APIs as a potential exploitation indicator ↗
CVSS provenance
nvdv3.19.6CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv9.6CRITICAL
vendor_debian9.6CRITICAL
vendor_msrc9.6CRITICAL
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Chrome
Stable Channel Update for Desktop: CVE-2021-21131
vendor_chrome·2021-01-19·CVSS 6.5
CVE-2021-21131 [MEDIUM] Stable Channel Update for Desktop: CVE-2021-21131
Stable Channel Update for Desktop
CVE-2021-21131: Insufficient policy enforcement in File System API. Reported by Maciej Pulikowski on 2020-10-20 [$TBD][ 1128206 ] Medium CVE-2021-21132: Inappropriate implementation in DevTools
Reported by David Erceg on 2020-09-15 [$TBD][ 1157743 ] Medium CVE-2021-21133: Insufficient policy enforcement in Downloads
Severity: medium
Microsoft
Chromium CVE-2021-21132: Inappropriate implementation in DevTools
vendor_msrc·2021-01-12·CVSS 9.6
CVE-2021-21132 [CRITICAL] Chromium CVE-2021-21132: Inappropriate implementation in DevTools
Chromium CVE-2021-21132: Inappropriate implementation in DevTools
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft
Debian
CVE-2021-21132: chromium - Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 ...
vendor_debian·2021·CVSS 9.6
CVE-2021-21132 [CRITICAL] CVE-2021-21132: chromium - Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 ...
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
Scope: local
bookworm: resolved (fixed in 88.0.4324.96-0.1)
bullseye: resolved (fixed in 88.0.4324.96-0.1)
forky: resolved (fixed in 88.0.4324.96-0.1)
sid: resolved (fixed in 88.0.4324.96-0.1)
trixie: resolved (fixed in 88.0.4324.96-0.1)
GHSA
GHSA-xjfj-5c48-9853: Inappropriate implementation in DevTools in Google Chrome prior to 88
ghsa_unreviewed·2022-05-24
CVE-2021-21132 [CRITICAL] CWE-1021 GHSA-xjfj-5c48-9853: Inappropriate implementation in DevTools in Google Chrome prior to 88
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
OSV
CVE-2021-21132: Inappropriate implementation in DevTools in Google Chrome prior to 88
osv·2021-02-09·CVSS 9.6
CVE-2021-21132 [CRITICAL] CVE-2021-21132: Inappropriate implementation in DevTools in Google Chrome prior to 88
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1128206https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1128206https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132
2021-02-09
Published