CVE-2022-42905

CVE Database · CVE-2022-42905

CVE-2022-42905

· CRITICALModified

CVSS v3.1

9.1

EPSS

1.96%

Published

Nov 6, 2022

Modified

May 2, 2025

Public PoC / Exploit (1)

All weaponized →

TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.)

CVSS Vector

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

Weaknesses (CWE)

CWE-125CWE-125

Affected Products (1)

wolfssl · wolfssl (up to 5.5.2)vulnerable

References (12)

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

Third Party Advisory

http://seclists.org/fulldisclosure/2023/Jan/11

Mailing ListThird Party Advisory

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