CVE-2021-4098 — Time-of-check Time-of-use (TOCTOU) Race Condition in Google Chrome

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race ConditionCWE-787 — Out-of-bounds WriteCWE-20 — Improper Input Validation6 documents6 sources
Severity
7.4HIGHNVD
EPSS
0.4%
top 40.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumDebian Chromium+2 more
Timeline
PublishedFeb 11
Latest updateFeb 13

Description

Insufficient data validation in Mojo in Google Chrome prior to 96.0.4664.110 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:NExploitability: 2.8 | Impact: 4.0

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 96.0.4664.110
▶NVDgoogle/chrome< 96.0.4664.110
▶debiandebian/chromium< chromium 97.0.4692.71-0.1 (bookworm)
▶Debianchromium/chromium< 97.0.4692.71-0.1~deb11u1+3

🔴Vulnerability Details

2
GHSA
GHSA-vcm5-6w8c-v573: Insufficient data validation in Mojo in Google Chrome prior to 96↗2022-02-13
▶
OSV
CVE-2021-4098: Insufficient data validation in Mojo in Google Chrome prior to 96↗2022-02-11
▶

📋Vendor Advisories

3
Microsoft
Chromium: CVE-2021-4098 Insufficient data validation in Mojo↗2021-12-14
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-4098↗2021-12-13
▶
Debian
CVE-2021-4098: chromium - Insufficient data validation in Mojo in Google Chrome prior to 96.0.4664.110 all...↗2021
▶