Vulnerabilities > CVE-2020-25928 - Out-of-bounds Write vulnerability in Hcc-Embedded Nichestack Tcp/Ip 4.0.1

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
hcc-embedded
CWE-787
critical

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Hcc-Embedded
1

Common Weakness Enumeration (CWE)