Heap-buffer over-read with WOLFSSL_CALLBACKS (CVE-2023-6936)

Summary

Heap-buffer over-read with WOLFSSL_CALLBACKS

Original description

The description as published by the source.

In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2023-6936 wolfssl

References

advisory github.com
advisory nvd.nist.gov
advisory wolfssl.com
package github.com
patch github.com