Low
CVE-2020-0655
CVE ID
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CVE-2020-0655
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A remote code execution vulnerability exists in Remote Desktop Services – formerly known as Terminal Services – when an authenticated attacker abuses clipboard redirection, aka ‘Remote Desktop Services Remote Code Execution Vulnerability’.
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Ratings
-
Attacker ValueLow
-
ExploitabilityLow
Technical Analysis
A vulnerability exists within PathCchCanonicalize that can be leveraged by a malicious RDP server to write files on a connected RDP client system. The vulnerability is related to how forward and back slash characters are processed and is related to the older CVE-2019-0887 in the sense that this vulnerability is a bypass for the mitigation which it introduced.
Exploiting this vulnerability would involve an attacker configuring a malicious RDP server and then tricking a client to connect to it, authenticate to it and then initiate a copy and paste operation from the malicious server to their client system.
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General Information
Vendors
- microsoft
Products
- windows 10 -,
- windows 10 1607,
- windows 10 1709,
- windows 10 1803,
- windows 10 1809,
- windows 10 1903,
- windows 10 1909,
- windows 7 -,
- windows 8.1 -,
- windows rt 8.1 -,
- windows server 2008 -,
- windows server 2008 r2,
- windows server 2012 -,
- windows server 2012 r2,
- windows server 2016 -,
- windows server 2016 1803,
- windows server 2016 1903,
- windows server 2016 1909,
- windows server 2019 -
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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