Advisory Details

March 9th, 2022

Microsoft Windows CD-ROM Driver Uninitialized Pointer Privilege Escalation Vulnerability

ZDI-22-498
ZDI-CAN-7818

CVE ID CVE-2022-24455
CVSS SCORE 7.8, (AV:L/AC:L/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 vulnerable 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 CD-ROM driver. Crafted data sent to IOCTL 0x0056c008 can trigger access to a pointer prior to initialization. An attacker can leverage this vulnerability to escalate privileges to the level 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-2022-24455
DISCLOSURE TIMELINE
  • 2019-01-23 - Vulnerability reported to vendor
  • 2022-03-09 - Coordinated public release of advisory
CREDIT Hugo Cao of SandCastle Team, Lilang Wu, Moony Li of mobile Security team
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