CVE-2022-42905
- State
- Published
- Severity
- 9.1 Critical
- Published
- Nov 6, 2022
- Updated
- May 2, 2025
- Reserved
- Oct 13, 2022
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.)
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
n/an/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_CALLBACKSmailing-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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