high7.5
CVE-2021-31227
An issue was discovered in HCC embedded InterNiche 4.0.1.
Impact
An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length, which bypasses the size checks and results in a large heap overflow in the wbs_multidata buffer copy.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hcc-Embedded | Nichestack | before 4.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
- https://www.kb.cert.org/vuls/id/608209
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
- https://www.kb.cert.org/vuls/id/608209