Advisory Details

August 1st, 2024

Google Chrome Updater DosDevices Local Privilege Escalation Vulnerability

ZDI-24-1041
ZDI-CAN-20781

CVE ID CVE-2023-7261
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Google
AFFECTED PRODUCTS Chrome
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Google Chrome. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the update mechanism. By creating a DOS device redirection, an attacker can abuse the update mechanism to launch an executable from an untrusted location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Google has issued an update to correct this vulnerability. More details can be found at:
https://issues.chromium.org/issues/40064602
DISCLOSURE TIMELINE
  • 2023-04-28 - Vulnerability reported to vendor
  • 2024-08-01 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Nassim Asrir
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