Vulnerabilities > CVE-2021-27565 - Infinite Loop vulnerability in Hcc-Embedded Nichestack 3.0
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
The web server in InterNiche NicheStack through 4.0.1 allows remote attackers to cause a denial of service (infinite loop and networking outage) via an unexpected valid HTTP request such as OPTIONS. This occurs because the HTTP request handler enters a miscoded wbs_loop() debugger hook.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |
Common Weakness Enumeration (CWE)
References
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
- https://www.hcc-embedded.com/
- https://www.hcc-embedded.com/
- https://www.hcc-embedded.com/about/about-interniche
- https://www.hcc-embedded.com/about/about-interniche
- https://www.kb.cert.org/vuls/id/608209
- https://www.kb.cert.org/vuls/id/608209