CVE-2022-42905

 

Published at: - 07-11-2022 01:15

Last modified: - 20-01-2023 08:15

Total changes: - 4

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.)

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

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

 

Keywords

NVD

 

CVE-2022-42905

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures