Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hcc-Embedded | Nichestack Tcp\/Ip | 4.0.1 |
Related Weaknesses (CWE)
References
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilitiMitigationThird Party Advisory
- https://www.kb.cert.org/vuls/id/608209Third Party AdvisoryUS Government Resource
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilitiMitigationThird Party Advisory
- https://www.kb.cert.org/vuls/id/608209Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2020-25928?
CVE-2020-25928 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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()...
How severe is CVE-2020-25928?
CVE-2020-25928 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-25928?
Check the references section above for vendor advisories and patch information. Affected products include: Hcc-Embedded Nichestack Tcp\/Ip.