CVE-2021-31227 | BDVDB-2026-159166 Detail

Description#

An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length, which bypasses the size checks and results in a large heap overflow in the wbs_multidata buffer copy.

Impact#

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Exploit#

History#

1. Version 12021-08-19Record published in the CVE List.
2. Version 22024-08-03Most recent update recorded in the CVE List.