CVE-2022-42905

CRITICAL

Wolfssl < 5.5.2 - Out-of-Bounds Read

Title source: rule

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.)

References (6)

[Third Party Advisory] http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.html

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2023/Jan/11

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

[Release Notes, Third Party Advisory] https://github.com/wolfSSL/wolfssl/releases

[Release Notes, Third Party Advisory] https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stable

[Vendor Advisory] https://www.wolfssl.com/docs/security-vulnerabilities/

Scores

CVSS v3 9.1

EPSS 0.0614

EPSS Percentile 90.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

CWE

CWE-125

Status published

Products (1)

wolfssl/wolfssl < 5.5.2

Published Nov 07, 2022

Tracked Since Feb 18, 2026