CVEvulnerability
CVE-2020-25927
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-08-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
Description
The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet.
Affected configurations
• hcc-embedded nichestack tcp\/ip 4.0.1
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://www.iniche.com/source-code/networking-stack/nichestack.php Broken Link
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ Mitigation, Third Party Advisory
- https://www.kb.cert.org/vuls/id/608209 Third Party Advisory, US Government Resource
- http://www.iniche.com/source-code/networking-stack/nichestack.php Broken Link
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ Mitigation, Third Party Advisory
- https://www.kb.cert.org/vuls/id/608209 Third Party Advisory, US Government Resource