Main Vulnerability Database Vulnerabilities #VU55640

Infinite loop in InterNiche stack and NicheLite - CVE-2021-27565

Published: August 6, 2021

Vulnerability identifier: #VU55640

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2021-27565

CWE-ID: CWE-835

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within unhandled HTTP requests. A remote attacker can consume all available system resources and cause denial of service conditions.

Affected software

InterNiche stack
NicheLite

How to mitigate CVE-2021-27565

Install updates from vendor's website.

InterNiche stack - update to 4.3
NicheLite - update to 4.3

External References

https://ics-cert.us-cert.gov/advisories/icsa-21-217-01

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