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CVE-2022-42905

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Date: November 6, 2022

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.)

Language: C

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2022-42905
http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.html
https://nvd.nist.gov/vuln/detail/CVE-2022-42905
https://www.wolfssl.com/docs/security-vulnerabilities/
https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/
http://seclists.org/fulldisclosure/2023/Jan/11
https://github.com/wolfSSL/wolfssl/releases
https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stable
https://www.mend.io/vulnerability-database/CVE-2022-42905

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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