SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-6345

Google Skia Integer Overflow Vulnerability

KEVCRITICAL 9.6EPSS 16.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 21 December 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

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
16.47% probability · 97th percentile
CISA KEV
Listed 30 November 2023 · due 21 December 2023
Weakness
CWE-190
Affected
google/chrome · debian/debian linux · fedoraproject/fedora · microsoft/edge chromium
Source
chrome-cve-admin@google.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.html ; https://nvd.nist.gov/vuln/detail/CVE-2023-6345

References

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