Vulnerability · Published Mar 16, 2020 · Assigned by mitre
CVE-2020-6581
High 7.3
In plain English
A high-severity security flaw in the nrpe package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.3High
Exploit odds (30 days)1.6%top 23.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | nrpe | 4.0.0-r0 | ALPINE-CVE-2020-6581 |
| Alpine:v3.21 | nrpe | 4.0.0-r0 | ALPINE-CVE-2020-6581 |
| Alpine:v3.22 | nrpe | 4.0.0-r0 | ALPINE-CVE-2020-6581 |
| Alpine:v3.23 | nrpe | 4.0.0-r0 | ALPINE-CVE-2020-6581 |
| Alpine:v3.24 | nrpe | 4.0.0-r0 | ALPINE-CVE-2020-6581 |
| Debian:12 | nagios-nrpe | 4.0.0-1 | DEBIAN-CVE-2020-6581 |
| Debian:13 | nagios-nrpe | 4.0.0-1 | DEBIAN-CVE-2020-6581 |
| Debian:14 | nagios-nrpe | 4.0.0-1 | DEBIAN-CVE-2020-6581 |
Affected products (as reported)
References
- https://herolab.usd.de/security-advisories/ x_refsource_MISC
- https://herolab.usd.de/security-advisories/usd-2020-0002/ x_refsource_MISC
- FEDORA-2020-d436ed655f vendor-advisory, x_refsource_FEDORA