#VU24194 Path traversal in Parallels Remote Application Server - CVE-2017-9447

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Main Vulnerability Database Vulnerabilities #VU24194

#VU24194 Path traversal in Parallels Remote Application Server - CVE-2017-9447

Published: January 10, 2020


Vulnerability identifier: #VU24194
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2017-9447
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Parallels Remote Application Server
Software vendor:
Parallels

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences (e.g. ".\\\") appended after the "RASHTML5Gateway" URL. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

PoC:

https://[host]/RASHTML5Gateway//..\\\..\\\..\\\..\\\..\\\windows\win.ini

Remediation

Install update from vendor's website.

External links