Moderate
Nuuo Central Management Server Authenticated Arbitrary File Upload
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Moderate
(1 user assessed)Low
(1 user assessed)Unknown
Unknown
Unknown
Nuuo Central Management Server Authenticated Arbitrary File Upload
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
Nuuo Central Management Server v3.3 and prior allow authenticated users to upload files and specify the destination in a FileName header that is vulnerable to directory traversal.
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Ratings
-
Attacker ValueMedium
-
ExploitabilityLow
Technical Analysis
Details
Details from module documentation in Metasploit.
The COMMITCONFIG verb is used by a CMS client to upload and modify the configuration of the CMS Server. An example is below:
COMMITCONFIG NUCM/1.0 User-Session-No: <session-number> Filename: <filename> FileType: <number> Content-Lenght: <file-length> <FILE_DATA>
The vulnerability is in the “FileName” parameter, which accepts directory traversal (..\..\) characters. Therefore, this function can be abused to overwrite any files in the installation drive of CMS Server.
This vulnerability is exploitable in CMS versions up to and including v2.4.
This module will either use a provided session number (which can be guessed with an auxiliary module) or attempt to login using a provided username and password – it will also try the default credentials if nothing is provided.
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CVE ID
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