#VU18601 UNIX Hard Link in fstream 

 

#VU18601 UNIX Hard Link in fstream

Published: May 24, 2019


Vulnerability identifier: #VU18601
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-62
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
fstream
Software vendor:
Node.js Foundation

Description

The vulnerability allows a remote attacker to arbitrary file overwrite.

The vulnerability exists due to a file that matches the hardlink overwrites the system's file with the contents of the extracted file. A remote attacker can cause the software to operate on unauthorized files.  



Remediation

Install updates from vendor's website.

External links