SB2020121103 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in nrpe (Alpine package)

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Main Vulnerability Database SB2020121103

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
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2020-6581)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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.

References