Cyber Resilience

CVE-2023-6348

HighPublic PoC

Published: 29 November 2023

Published
29 November 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0060 70.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6348 is a high-severity Type Confusion (CWE-843) vulnerability in Debian Debian Linux. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked in the top 29.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Type Confusion in Spellcheck in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CWE(s)
CWE-843

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

Type confusion in Chrome spellcheck enables heap corruption via crafted HTML page by remote attacker, facilitating drive-by compromise (T1189) and exploitation for client execution (T1203).

Affected Assets

google
chrome
≤ 119.0.6045.199
debian
debian linux
11.0, 12.0
fedoraproject
fedora
39

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References