Out-of-bounds write in nrpe - CVE-2020-6582

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Main Vulnerability Database Vulnerabilities #VU48931

Out-of-bounds write in nrpe - CVE-2020-6582

Published: March 16, 2020 / Updated: December 11, 2020


Vulnerability identifier: #VU48931
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-6582
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: www.nagios.org
Affected software:
nrpe

Detailed vulnerability description

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.


How to mitigate CVE-2020-6582

Install update from vendor's website.

Sources