{"id":"CVE-2020-5929","state":"PUBLISHED","title":"In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client ","description":"In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous (ADH) or Ephemeral (DHE) Diffie-Hellman key exchange and Single DH use option not enabled in the options list may be vulnerable to crafted SSL/TLS Handshakes that may result with a PMS (Pre-Master Secret) that starts in a 0 byte and may lead to a recovery of plaintext messages as BIG-IP TLS/SSL ADH/DHE sends different error messages acting as an oracle. Similar error messages when PMS starts with 0 byte coupled with very precise timing measurement observation may also expose this vulnerability.","publishedAt":"2020-09-25T13:22:47.000Z","updatedAt":"2024-08-04T08:47:40.873Z","severity":null,"assigner":"f5","products":["n/a BIG-IP"],"affected":[{"vendor":"n/a","product":"BIG-IP","versions":[{"version":"13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, 11.6.1-11.6.2","status":"affected"}]}],"references":["https://support.f5.com/csp/article/K91158923"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:35.543Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/5xxx/CVE-2020-5929.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-5929","state":"PUBLISHED","datePublished":"2020-09-25T13:22:47.000Z","dateUpdated":"2024-08-04T08:47:40.873Z","assignerShortName":"f5","assignerOrgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","dateReserved":"2020-01-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous (ADH) or Ephemeral (DHE) Diffie-Hellman key exchange and Single DH use option not enabled in the options list may be vulnerable to crafted SSL/TLS Handshakes that may result with a PMS (Pre-Master Secret) that starts in a 0 byte and may lead to a recovery of plaintext messages as BIG-IP TLS/SSL ADH/DHE sends different error messages acting as an oracle. Similar error messages when PMS starts with 0 byte coupled with very precise timing measurement observation may also expose this vulnerability."}],"affected":[{"vendor":"n/a","product":"BIG-IP","versions":[{"version":"13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, 11.6.1-11.6.2","status":"affected"}]}],"references":[{"url":"https://support.f5.com/csp/article/K91158923","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"TLS Oracle","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"f5","dateUpdated":"2020-09-25T13:22:47.000Z","orgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"f5sirt@f5.com","ID":"CVE-2020-5929","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"BIG-IP","version":{"version_data":[{"version_value":"13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, 11.6.1-11.6.2"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous (ADH) or Ephemeral (DHE) Diffie-Hellman key exchange and Single DH use option not enabled in the options list may be vulnerable to crafted SSL/TLS Handshakes that may result with a PMS (Pre-Master Secret) that starts in a 0 byte and may lead to a recovery of plaintext messages as BIG-IP TLS/SSL ADH/DHE sends different error messages acting as an oracle. Similar error messages when PMS starts with 0 byte coupled with very precise timing measurement observation may also expose this vulnerability."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"TLS Oracle"}]}]},"references":{"reference_data":[{"name":"https://support.f5.com/csp/article/K91158923","refsource":"MISC","url":"https://support.f5.com/csp/article/K91158923"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://support.f5.com/csp/article/K91158923","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T08:47:40.873Z"}}]}}}