CVE-2021-21123
published 2021-02-09CVE-2021-21123: Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a…
PriorityP340medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
9.97%
95.1th percentile
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Affected
11 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 | — | — | |
| linux | linux_kernel | >= 0 < 3.13.0-190.241 | 3.13.0-190.241 |
| microsoft | edge_chromium | < 88.0.705.50 | 88.0.705.50 |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv7.0HIGH
vendor_debian6.5MEDIUM
vendor_msrc6.5MEDIUM
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Chrome
Stable Channel Update for Desktop: CVE-2021-21123
vendor_chrome·2021-01-19·CVSS 6.5
CVE-2021-21123 [HIGH] Stable Channel Update for Desktop: CVE-2021-21123
Stable Channel Update for Desktop
CVE-2021-21123: Insufficient data validation in File System API. Reported by Maciej Pulikowski on 2020-10-11 [$N/A][ 1131346 ] High CVE-2021-21124: Potential user after free in Speech Recognizer
Reported by Chaoyang Ding(@V4kst1z) from Codesafe Team of Legendsec at Qi'anxin Group on 2020-09-23 [$N/A][ 1152327 ] High CVE-2021-21125: Insufficient policy enforcement in File System API
Severity: high
Microsoft
Chromium CVE-2021-21123: Insufficient data validation in File System API
vendor_msrc·2021-01-12·CVSS 6.5
CVE-2021-21123 [MEDIUM] Chromium CVE-2021-21123: Insufficient data validation in File System API
Chromium CVE-2021-21123: Insufficient data validation in File System API
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 Mi
Debian
CVE-2021-21123: chromium - Insufficient data validation in File System API in Google Chrome prior to 88.0.4...
vendor_debian·2021·CVSS 6.5
CVE-2021-21123 [MEDIUM] CVE-2021-21123: chromium - Insufficient data validation in File System API in Google Chrome prior to 88.0.4...
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
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)
OSV
linux vulnerabilities
osv·2022-06-16·CVSS 7.0
CVE-2022-21499 linux vulnerabilities
linux vulnerabilities
It was discovered that the Linux kernel did not properly restrict access to
the kernel debugger when booted in secure boot environments. A privileged
attacker could use this to bypass UEFI Secure Boot restrictions.
(CVE-2022-21499)
It was discovered that a race condition existed in the network scheduling
subsystem of the Linux kernel, leading to a use-after-free vulnerability. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2021-39713)
It was discovered that some Intel processors did not completely perform
cleanup actions on multi-core shared buffers. A local attacker could
possibly use this to expose sensitive information. (CVE-2022-21123)
It was discovered that some Intel processors did not com
GHSA
GHSA-2g4x-fv7q-8jrf: Insufficient data validation in File System API in Google Chrome prior to 88
ghsa_unreviewed·2022-05-24
CVE-2021-21123 [MEDIUM] CWE-20 GHSA-2g4x-fv7q-8jrf: Insufficient data validation in File System API in Google Chrome prior to 88
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
OSV
CVE-2021-21123: Insufficient data validation in File System API in Google Chrome prior to 88
osv·2021-02-09·CVSS 6.5
CVE-2021-21123 [MEDIUM] CVE-2021-21123: Insufficient data validation in File System API in Google Chrome prior to 88
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
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/1137247https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1137247https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123
2021-02-09
Published