SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-6065

Google Chromium V8 Integer Overflow Vulnerability

KEVHIGH 8.8EPSS 60.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
60.30% probability · 99th percentile
CISA KEV
Listed 8 June 2022 · due 22 June 2022
Weakness
CWE-190
Affected
google/chrome · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · debian/debian linux · mi/mi6 browser
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-6065

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