SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-3075

Google Chromium Mojo Insufficient Data Validation Vulnerability

KEVCRITICAL 9.6EPSS 5.76%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Insufficient data validation in Mojo in Google Chrome prior to 105.0.5195.102 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

CVSS 3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
5.76% probability · 93th percentile
CISA KEV
Listed 8 September 2022 · due 29 September 2022
Weakness
CWE-20
Affected
google/chrome · fedoraproject/fedora
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://chromereleases.googleblog.com/2022/09/stable-channel-update-for-desktop.html, https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-3075; https://nvd.nist.gov/vuln/detail/CVE-2022-3075

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.