CVE-2022-38028
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Tags
Description
Windows Print Spooler Elevation of Privilege Vulnerability
Analysis
Windows Print Spooler allows local privilege escalation that was exploited by the Russian GRU's 'Forest Blizzard' (APT28) group using a custom tool called 'GooseEgg' for credential theft and lateral movement in government networks.
Technical Context
The Print Spooler vulnerability allows a local attacker to escalate privileges through crafted interactions with the printer driver installation process. APT28's GooseEgg tool automates exploitation and post-exploitation credential extraction.
Affected Products
['Microsoft Windows (Print Spooler component)']
Remediation
Apply Microsoft security update. Disable the Print Spooler service on systems that don't require printing. Monitor for GooseEgg indicators of compromise. Implement credential guard to protect LSASS.
Priority Score
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External POC / Exploit Code
Leaving vuln.today