Arbitrary Code Injection Affecting nrpe package, versions <4.0.0-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.61% (73rd percentile)

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  • Snyk IDSNYK-ALPINE320-NRPE-7010488
  • published23 May 2024
  • disclosed16 Mar 2020

Introduced: 16 Mar 2020

CVE-2020-6581  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade Alpine:3.20 nrpe to version 4.0.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nrpe package and not the nrpe package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection.

CVSS Base Scores

version 3.1