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CVE-2020-25928

Published: Aug 18, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-125
9.8CRITICAL
NVD MITRE
EPSS Score
3.6%
Top 11.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125CWE-787

Affected Products

HCC Embedded
commercialaka nichelite, interniche
NicheLiteEmbedded
ICS / OT / IoT / medical-device
InterNicheEmbedded
ICS / OT / IoT / medical-device
hcc-embedded
commercialaka nichestack, interniche, nichestack tcp/ip
nichestack tcp\/ipEmbedded
Operating Systems / rtos-embedded-os
and 1 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques
Collection
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
forescout.com
https://www.kb.cert.org/vuls/id/608209
kb.cert.org
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-217-01.json
raw.githubusercontent.com
and 28 more references View all →

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