{"id":"CVE-2022-39173","state":"PUBLISHED","title":"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 th","description":"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.","publishedAt":"2022-09-29T00:00:00.000Z","updatedAt":"2025-05-20T19:43:18.920Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.wolfssl.com/docs/security-vulnerabilities/","https://github.com/wolfSSL/wolfssl/releases","http://seclists.org/fulldisclosure/2022/Oct/24","http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html","https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T19:50:29.496Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/39xxx/CVE-2022-39173.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-39173","state":"PUBLISHED","datePublished":"2022-09-29T00:00:00.000Z","dateUpdated":"2025-05-20T19:43:18.920Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2022-09-02T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/"},{"url":"https://github.com/wolfSSL/wolfssl/releases"},{"url":"http://seclists.org/fulldisclosure/2022/Oct/24","name":"20221030 wolfssl before 5.5.1: CVE-2022-39173 Buffer overflow when refining cipher suites","tags":["mailing-list"]},{"url":"http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html"},{"url":"https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-02-15T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/","tags":["x_transferred"]},{"url":"https://github.com/wolfSSL/wolfssl/releases","tags":["x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2022/Oct/24","name":"20221030 wolfssl before 5.5.1: CVE-2022-39173 Buffer overflow when refining cipher suites","tags":["mailing-list","x_transferred"]},{"url":"http://packetstormsecurity.com/files/169600/wolfSSL-Buffer-Overflow.html","tags":["x_transferred"]},{"url":"https://blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T12:00:42.475Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-05-20T19:43:15.635175Z","id":"CVE-2022-39173","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-20T19:43:18.920Z"}}]}}}