Title: Sysinternals PsTools Remote Unauthorized Access Vulnerability
Severity: CRITICAL
Description:
Sysinternals PsTools is a freely available collection of utilities designed to facilitate remote administration of Microsoft Windows computers.
Reportedly Sysinternals PsTools are affected by a remote unauthorized access vulnerability. This issue is due to a design error that causes a failure of the utilities to properly secure the affected computer.
The problem presents itself when remote computers are administered using the affected utilities. Apparently the utilities map the IPC$ or ADMIN$ network shares when issuing remote commands, when the utilities exit they fail to properly disconnect; leaving the affected network shares open. This would allow a malicious user to connect to the vulnerable shares and carry out administrator actions.
A remote attacker might leverage this issue to gain administrator access to the affected computer.
Affected Products:
- Sysinternals PsExec 1.52.0
- Sysinternals PsGetsid 1.4.0
- Sysinternals PsInfo 1.5.0
- Sysinternals PsKill 1.0.03
- Sysinternals PsList 1.25.0
- Sysinternals PsLoglist 2.5.0
- Sysinternals PsPassword 1.21.0
- Sysinternals PsService 2.1.0
- Sysinternals PsShutdown 2.31.0
- Sysinternals PsSuspend 1.0.04
- Sysinternals PsTools 2.0.01
- Sysinternals PsTools 2.0.02
- Sysinternals PsTools 2.0.03
References:
- Computer Associates: Sysinternals PsTools utilities share mapping vulnerability
- Sysinternals: PsTools Home Page
- Sysinternals: Vendor Home Page
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