2 lines
3.4 KiB
JSON
2 lines
3.4 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","packageName":"Zephyr","product":"Zephyr","repo":"https://github.com/zephyrproject-rtos/zephyr","vendor":"zephyrproject-rtos","versions":[{"lessThan":"4.4.0","status":"affected","version":"*","versionType":"git"}]}],"source":"vulnerabilities@zephyrproject.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*","matchCriteriaId":"7D912614-A39E-4C9B-AA54-187BC26337B9","versionEndIncluding":"4.3.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Zephyr sockets created with `IPPROTO_TLS_1_3` can still negotiate a TLS 1.2 connection when both TLS versions are enabled in Kconfig, because the socket-level protocol selection is not propagated to mbedTLS (e.g. via `mbedtls_ssl_conf_min_tls_version`). The ClientHello advertises both versions and the peer can establish TLS 1.2, so applications that assumed `IPPROTO_TLS_1_3` enforces TLS 1.3 may silently use TLS 1.2 and remain exposed to TLS 1.2-specific weaknesses. As a workaround, the `TLS_CIPHERSUITE_LIST` socket option can be restricted to TLS 1.3-only cipher suites."},{"lang":"es","value":"Los sockets de Zephyr creados con “IPPROTO_TLS_1_3” aún pueden negociar una conexión TLS 1.2 cuando ambas versiones de TLS están habilitadas en Kconfig, porque la selección de protocolo a nivel de socket no se propaga a mbedTLS (por ejemplo, a través de “mbedtls_ssl_conf_min_tls_version”). El ClientHello anuncia ambas versiones y el par puede establecer TLS 1.2, por lo que las aplicaciones que asumieron que “IPPROTO_TLS_1_3” impone TLS 1.3 pueden usar silenciosamente TLS 1.2 y permanecer expuestas a debilidades específicas de TLS 1.2. Como solución alternativa, la opción de socket “TLS_CIPHERSUITE_LIST” puede restringirse a suites de cifrado solo de TLS 1.3."}],"id":"CVE-2026-1677","lastModified":"2026-10-26T18:10:00.173","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"vulnerabilities@zephyrproject.org","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-1677","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-11T16:31:12.694213Z","version":"2.0.3"}}]},"published":"2026-05-11T06:16:08.683","references":[{"source":"vulnerabilities@zephyrproject.org","tags":["Exploit","Mitigation","Patch","Vendor Advisory"],"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-23r2-m5wx-4rvq"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Mitigation","Patch","Vendor Advisory"],"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-23r2-m5wx-4rvq"}],"sourceIdentifier":"vulnerabilities@zephyrproject.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-757"}],"source":"vulnerabilities@zephyrproject.org","type":"Secondary"},{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}
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