CVE-2021-31228

· HIGHModified

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CVSS v3.1

7.5

EPSS

1.27%

Published

Aug 19, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

An issue was discovered in HCC embedded InterNiche 4.0.1. This vulnerability allows the attacker to predict a DNS query's source port in order to send forged DNS response packets that will be accepted as valid answers to the DNS client's requests (without sniffing the specific request). Data is predictable because it is based on the time of day, and has too few bits.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

CWE-330

Affected Products (1)

hcc-embedded · nichestack (up to 4.3)vulnerable

References (4)

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/

MitigationThird Party Advisory

https://www.kb.cert.org/vuls/id/608209

Third Party AdvisoryUS Government Resource

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/

MitigationThird Party Advisory

https://www.kb.cert.org/vuls/id/608209

Third Party AdvisoryUS Government Resource

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