Heap-based buffer overflow in InterNiche stack and NicheLite - CVE-2021-31227
Published: August 6, 2021
Vulnerability identifier: #VU55639
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-31227
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an incorrect signed integer comparison in the code that parses the HTTP POST. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Affected software
InterNiche stack
NicheLite
NicheLite
How to mitigate CVE-2021-31227
Install updates from vendor's website.
InterNiche stack - update to 4.3
NicheLite - update to 4.3
NicheLite - update to 4.3