What is the severity of CVE-2024-1543?

CVE-2024-1543 has a high severity rating due to the potential for attackers to exploit side-channel vulnerabilities in the wolfSSL library.

How do I fix CVE-2024-1543?

To fix CVE-2024-1543, upgrade wolfSSL to version 5.6.6 or later to ensure mitigation of the identified vulnerabilities.

Which versions of wolfSSL are affected by CVE-2024-1543?

CVE-2024-1543 affects wolfSSL versions up to and including 5.6.5.

What type of vulnerability is CVE-2024-1543?

CVE-2024-1543 is a side-channel vulnerability that allows attackers to exploit timing information from the T-Table implementation.

Can CVE-2024-1543 be exploited in a cloud environment?

Yes, CVE-2024-1543 can potentially be exploited in a controlled environment such as cloud platforms that utilize Intel SGX.

Vulnerability/
CVE-2024-1543

medium

5.5

CWE

208 203

29/8/2024

4/9/2024

CVE-2024-1543: AES T-Table sub-cache-line leakage

First published: Thu Aug 29 2024(Updated: )

The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a side-channel attacker with cache-line resolution. In a controlled environment such as Intel SGX, an attacker can gain a per instruction sub-cache-line resolution allowing them to break the cache-line-level protection. For details on the attack refer to: https://doi.org/10.46586/tches.v2024.i1.457-500

Credit: facts@wolfssl.com

Affected Software	Affected Version	How to fix
wolfSSL wolfMQTT	<5.6.6

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Reference Links

https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-566-dec-19-2023

Frequently Asked Questions

What is the severity of CVE-2024-1543?
CVE-2024-1543 has a high severity rating due to the potential for attackers to exploit side-channel vulnerabilities in the wolfSSL library.
How do I fix CVE-2024-1543?
To fix CVE-2024-1543, upgrade wolfSSL to version 5.6.6 or later to ensure mitigation of the identified vulnerabilities.
Which versions of wolfSSL are affected by CVE-2024-1543?
CVE-2024-1543 affects wolfSSL versions up to and including 5.6.5.
What type of vulnerability is CVE-2024-1543?
CVE-2024-1543 is a side-channel vulnerability that allows attackers to exploit timing information from the T-Table implementation.
Can CVE-2024-1543 be exploited in a cloud environment?
Yes, CVE-2024-1543 can potentially be exploited in a controlled environment such as cloud platforms that utilize Intel SGX.

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canonical/wolfssl wolfmqtt

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