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.
References (3)
Core 3
Core References
Broken Link x_refsource_misc
http://www.iniche.com/source-code/networking-stack/nichestack.php
Mitigation, Third Party Advisory x_refsource_misc
https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert-vn
https://www.kb.cert.org/vuls/id/608209
Scores
CVSS v3
7.5
EPSS
0.0049
EPSS Percentile
65.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
hcc-embedded/nichestack_tcp\/ip
4.0.1
Published
Aug 18, 2021
Tracked Since
Feb 18, 2026