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CVE-2020-25928

CRITICAL

9.8

Description

The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Buffer Overflow. The impact is: execute arbitrary code (remote). The component is: DNS response processing functions: dns_upcall(), getoffset(), dnc_set_answer(). The attack vector is: a specific DNS response packet. The code does not check the "response data length" field of individual DNS answers, which may cause out-of-bounds read/write operations, leading to Information leak, Denial-or-Service, or Remote Code Execution, depending on the context.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/18/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

hcc-embedded:nichestack_tcp\/ip

Weaknesses (CWE)

CWE-125CWE-787

References

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/(cve@mitre.org)

https://www.kb.cert.org/vuls/id/608209(cve@mitre.org)

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/608209(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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