A vulnerability classified as problematic has been found in wolfSSL up to 5.0.0. Affected is an unknown code of the component Client. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability. CVE summarizes:

wolfSSL through 5.0.0 allows an attacker to cause a denial of service and infinite loop in the client component by sending crafted traffic from a Machine-in-the-Middle (MITM) position. The root cause is that the client module accepts TLS messages that normally are only sent to TLS servers.

The weakness was disclosed 09/02/2022. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-44718 since 12/07/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Name

• wolfSSL

Version

• 5.0

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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