CVE-2020-25927

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-25927
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link 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
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
Configurations

Configuration 1 (hide)

cpe:2.3:a:hcc-embedded:nichestack_tcp\/ip:4.0.1:*:*:*:*:*:*:*
History

21 Nov 2024, 05:19

Type Values Removed Values Added
References () http://www.iniche.com/source-code/networking-stack/nichestack.php - Broken Link () http://www.iniche.com/source-code/networking-stack/nichestack.php - Broken Link
References () https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ - Mitigation, Third Party Advisory () https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ - Mitigation, Third Party Advisory
References () https://www.kb.cert.org/vuls/id/608209 - Third Party Advisory, US Government Resource () https://www.kb.cert.org/vuls/id/608209 - Third Party Advisory, US Government Resource

26 Aug 2021, 18:23

Type Values Removed Values Added
References (MISC) http://www.iniche.com/source-code/networking-stack/nichestack.php - (MISC) http://www.iniche.com/source-code/networking-stack/nichestack.php - Broken Link
References (CERT-VN) https://www.kb.cert.org/vuls/id/608209 - (CERT-VN) https://www.kb.cert.org/vuls/id/608209 - Third Party Advisory, US Government Resource
References (MISC) https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ - (MISC) https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ - Mitigation, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CWE CWE-125
CPE cpe:2.3:a:hcc-embedded:nichestack_tcp\/ip:4.0.1:*:*:*:*:*:*:*

18 Aug 2021, 19:18

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-18 19:15

Updated : 2024-11-21 05:19

NVD link : CVE-2020-25927

Mitre link : CVE-2020-25927

CVE.ORG link : CVE-2020-25927

JSON object : View

Products Affected

hcc-embedded

  • nichestack_tcp\/ip
CWE
CWE-125

Out-of-bounds Read