CVE-2022-42905
CRITICALwolfssl < 5.5.2 - Heap Buffer Over-Read via WOLFSSL_CALLBACKS
Title source: llmDescription
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)
Core 6
Core References
Various Sources
https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/
Third Party Advisory
http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.html
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/
Mailing List, Third Party Advisory mailing-list
http://seclists.org/fulldisclosure/2023/Jan/11
Scores
CVSS v3
9.1
EPSS
0.0196
EPSS Percentile
77.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-125
Status
published
Products (1)
wolfssl/wolfssl
< 5.5.2
Published
Nov 07, 2022
Tracked Since
Feb 18, 2026