SB2019052411 - UNIX Hard Link in fstream package for NPM
Published: May 24, 2019
Security Bulletin ID
SB2019052411
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) UNIX Hard Link (CVE-ID: N/A)
CWE-ID: CWE-62 - UNIX Hard Link
CVSSv4: 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
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 update from vendor's website.