Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 84.6%; technical severity is CVSS 8.8.
Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Who should care
- Teams operating Debian Linux, Chrome, Chromium V8 +3 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Debian Linux, Chrome, Chromium V8 +3 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Debian Security advisory Dsa 4330
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- Not classified
- Affected versions
- Debian Debian Linux (Version 9.0); Google Chrome (End Excluding 70.0.3538.67); Google Chromium V8; Redhat Enterprise Linux Desktop (Version 6.0); Redhat Enterprise Linux Server (Version 6.0); Redhat Enterprise Linux Workstation (Version 6.0)
- Fixed versions
- Google Chrome (Fixed from 70.0.3538.67)
- Published
- 14 November 2018
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 84.6%
- Signal calculated at 82