Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | < 5.5.2 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-BuffeThird Party Advisory
- http://seclists.org/fulldisclosure/2023/Jan/11Mailing ListThird Party Advisory
- https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzin
- https://github.com/wolfSSL/wolfssl/releasesRelease NotesThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stableRelease NotesThird Party Advisory
- https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisory
- http://packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-BuffeThird Party Advisory
- http://seclists.org/fulldisclosure/2023/Jan/11Mailing ListThird Party Advisory
- https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzin
- https://github.com/wolfSSL/wolfssl/releasesRelease NotesThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stableRelease NotesThird Party Advisory
- https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisory
FAQ
What is CVE-2022-42905?
CVE-2022-42905 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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. ...
How severe is CVE-2022-42905?
CVE-2022-42905 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-42905?
Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.