wolfSSL up to 5.6.5 Side-Channel Protected T-Table timing discrepancy

Summaryinfo

A vulnerability, which was classified as problematic, was found in wolfSSL up to 5.6.5. The affected element is an unknown function of the component Side-Channel Protected T-Table Handler. Such manipulation leads to timing discrepancy. This vulnerability is traded as CVE-2024-1543. An attack has to be approached locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in wolfSSL up to 5.6.5. Affected by this issue is some unknown functionality of the component Side-Channel Protected T-Table Handler. The manipulation with an unknown input leads to a timing discrepancy vulnerability. Using CWE to declare the problem leads to CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. Impacted is confidentiality. CVE summarizes:

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

The advisory is available at github.com. This vulnerability is handled as CVE-2024-1543 since 02/15/2024. The exploitation is known to be difficult. Local access is required to approach this attack. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 212882 (CBL Mariner 2.0 Security Update: mariadb (CVE-2024-1543)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (212882). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• wolfSSL

Version

• 5.6.0
• 5.6.1
• 5.6.2
• 5.6.3
• 5.6.4
• 5.6.5

License

• open-source

Website

• Product: https://github.com/wolfSSL/wolfssl/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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