CVE-2019-11840

{"id": "CVE-2019-11840", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2019-05-09T16:29:00.607", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1691529", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/golang/go/issues/30965", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://go.googlesource.com/crypto/+/b7391e95e576cacdcdd422573063bc057239113d", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://groups.google.com/forum/#%21msg/golang-announce/tjyNcJxb2vQ/n0NRBziSCAAJ", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00029.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00030.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00015.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-330"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in supplementary Go cryptography libraries, aka golang-googlecode-go-crypto, before 2019-03-20. A flaw was found in the amd64 implementation of golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa. If more than 256 GiB of keystream is generated, or if the counter otherwise grows greater than 32 bits, the amd64 implementation will first generate incorrect output, and then cycle back to previously generated keystream. Repeated keystream bytes can lead to loss of confidentiality in encryption applications, or to predictability in CSPRNG applications."}, {"lang": "es", "value": "se descubrio un problema en Go cryptography libraries, tambi\u00e9n se conoce como golang-googlecode-go-crypto, anterior del 20-03-2019. Se encontr\u00f3 un fallo en la implementaci\u00f3n de amd64 de golang.org/x/crypto/salsa20 y golang.org/x/crypto/salsa20/salsa. Si se generan m\u00e1s de 256 GiB de keystream, o si el contador crece m\u00e1s de 32 bits, la implementaci\u00f3n de amd64 causar\u00e1 primero una salida incorrecta y entonces volver\u00e1 a la secuencia de claves generada previamente. Los bytes repetidos de keystream pueden provocar la p\u00e9rdida de confidencialidad en las aplicaciones de encriptaci\u00f3n o la previsibilidad en las aplicaciones CSPRNG."}], "lastModified": "2023-11-07T03:03:17.183", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBA1D5EA-C8A7-40C2-9D8E-7E1ECF8ADE80", "versionEndExcluding": "2019-03-20"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}