SB2018060421 - Information disclosure in Node.js
Published: June 4, 2018 Updated: July 17, 2020
Security Bulletin ID
SB2018060421
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2017-16024)
The vulnerability allows a remote authenticated user to gain access to sensitive information.
The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9. Sync-exec uses tmp directories as a buffer before returning values. Other users on the server have read access to the tmp directory, possibly allowing an attacker on the server to obtain confidential information from the buffer/tmp file, while it exists.
Remediation
Install update from vendor's website.