CVE-2021-31226

Critical

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 lack of size validation. This vulnerability requires the attacker to send a crafted HTTP POST request with a URI longer than 50 bytes. This leads to a heap overflow in wbs_post() via an strcpy() call.

SeverityCritical
CVSS9.8
Exploit probability—
ProductHcc-embedded Interniche
PublishedAug 19, 2021
First seenAug 19, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
hcc-embedded interniche4.0.1—

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