Vulnerability · Published Aug 18, 2021 · Assigned by mitre

CVE-2020-25927

High 7.5

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)2.3%top 16.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.iniche.com/source-code/networking-stack/nichestack.php x_refsource_MISC
https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ x_refsource_MISC
VU#608209 third-party-advisory, x_refsource_CERT-VN