Advisory Details

May 10th, 2022

Microsoft Windows Print Spooler Service Directory Traversal Information Disclosure Vulnerability

ZDI-22-735
ZDI-CAN-16215

CVE ID CVE-2022-29140
CVSS SCORE 5.5, (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information 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 Print Spooler service. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information 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-2022-29140
DISCLOSURE TIMELINE
  • 2022-02-23 - Vulnerability reported to vendor
  • 2022-05-10 - Coordinated public release of advisory
CREDIT Oliver Lyak (@ly4k_)
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