Advisory Details

June 12th, 2024

(Pwn2Own) Microsoft Windows NtQueryInformationToken Race Condition Local Privilege Escalation Vulnerability

ZDI-24-606
ZDI-CAN-23449

CVE ID CVE-2024-30088
CVSS SCORE 8.8, AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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 implementation of NtQueryInformationToken. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30088
DISCLOSURE TIMELINE
  • 2024-03-28 - Vulnerability reported to vendor
  • 2024-06-12 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Emma Kirkpatrick (@carrot_c4k3) of exploits.forsale
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