high7.5
CVE-2022-39173
In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake.
Impact
In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total, two Client Hellos have to be sent: one in the resumed session, and a second one as a response to a Hello Retry Request message.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wolfssl | Wolfssl | before 5.5.1 |
Weakness classification
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2022/Oct/24
- https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/
- https://github.com/wolfSSL/wolfssl/releases
- https://www.wolfssl.com/docs/security-vulnerabilities/
- http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2022/Oct/24
- https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/
- https://github.com/wolfSSL/wolfssl/releases
- https://www.wolfssl.com/docs/security-vulnerabilities/