SB2020121103 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in nrpe (Alpine package)
Published: December 11, 2020
Security Bulletin ID
SB2020121103
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2020-6581)
The vulnerability allows a remote authenticated user to execute arbitrary code.
Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets as the character and the character n (not as the newline sequence). This can cause command injection.
Remediation
Install update from vendor's website.