SB20200407144 - Fedora EPEL 6 update for nrpe
Published: April 7, 2020 Updated: April 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
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.
2) Out-of-bounds write (CVE-ID: CVE-2020-6582)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Nagios NRPE 3.2.1 has a Heap-Based Buffer Overflow, as demonstrated by interpretation of a small negative number as a large positive number during a bzero call.
Remediation
Install update from vendor's website.