Advisory Details

May 14th, 2024

Microsoft Windows Search Service Link Following Local Privilege Escalation Vulnerability

ZDI-24-451
ZDI-CAN-22907

CVE ID CVE-2024-30033
CVSS SCORE 7.0, AV:L/AC:H/PR:L/UI:N/S:U/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 Windows Search service. By creating a symbolic link, an attacker can abuse the service to delete a file. 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-2024-30033
DISCLOSURE TIMELINE
  • 2024-01-23 - Vulnerability reported to vendor
  • 2024-05-14 - Coordinated public release of advisory
CREDIT HeeChan Kim (@heegong123) of THEORI
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