TLS Private Key Accessible to External Parties - CEV-2023-2538

CVE-2023-2538

Summary

A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing.

Impact

An unauthenticated remote attacker would be able to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.

Issue Date

July 5, 2023

Affects

The vulnerability affects: Tyan S5552 BMC version 3.00

CVE Name

CVE-2023-2538

CVSS Details

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

CVSS Score

5.8

Solution

The affected component has reached end of life. It is suggested to replace it with a supported equivalent.

Mitigations

Acknowledgements

Andrea Palanca of Nozomi Networks

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