TLS Certificate Generation Function Improper Input Validation

CVE-2021-44769

Summary

An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset.

Impact

 

An authenticated remote attacker would be able to make the BMC inaccessible to users, until a factory reset is performed.

Issue Date

October 21, 2022

Affects

The vulnerability affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0

CVE Name

CVE-2021-44769

CVSS Details

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS Score

4.9

Solution

Updated BMC firmware versions that fix the issue are available from Lanner technical support

Acknowledgments

Andrea Palanca of Nozomi Networks

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Co-founders, Nozomi Networks

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