CVE-2022-42905

Summary

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.)

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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
• http://seclists.org/fulldisclosure/2023/Jan/11
• 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/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

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
• http://seclists.org/fulldisclosure/2023/Jan/11
• 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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