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CVE-2022-42905

Published: Nov 6, 2022

Modified: May 2, 2025

PUBLISHED

Description

In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on the heap of 5 bytes. (WOLFSSL_CALLBACKS is only intended for debugging.)

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://www.wolfssl.com/docs/security-vulnerabilities/

https://github.com/wolfSSL/wolfssl/releases

https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stable

20230119 wolfSSL before 5.5.2: Heap-buffer over-read with WOLFSSL_CALLBACKS

mailing-list

http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.html

https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/

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