mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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273 lines
10 KiB
JSON
273 lines
10 KiB
JSON
{
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"id": "CVE-2019-1547",
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"sourceIdentifier": "openssl-security@openssl.org",
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"published": "2019-09-10T17:15:11.750",
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"lastModified": "2021-07-31T08:15:09.147",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel resistant code paths. However, in some cases, it is possible to construct a group using explicit parameters (instead of using a named curve). In those cases it is possible that such a group does not have the cofactor present. This can occur even where all the parameters match a known named curve. If such a curve is used then OpenSSL falls back to non-side channel resistant code paths which may result in full key recovery during an ECDSA signature operation. In order to be vulnerable an attacker would have to have the ability to time the creation of a large number of signatures where explicit parameters with no co-factor present are in use by an application using libcrypto. For the avoidance of doubt libssl is not vulnerable because explicit parameters are never used. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s)."
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},
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{
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"lang": "es",
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"value": "Normalmente en los grupos EC de OpenSSL siempre tienen un cofactor presente y este es usado en rutas de c\u00f3digo resistentes a canales laterales. Sin embargo, en ciertos casos, es posible construir un grupo usando par\u00e1metros expl\u00edcitos (en lugar de usar una curva nombrada). En esos casos, es posible que dicho grupo no tenga el cofactor presente. Esto puede ocurrir incluso cuando todos los par\u00e1metros coinciden con una curva de nombre conocido. Si es utilizada dicha curva, entonces OpenSSL recurre a rutas de c\u00f3digo resistentes a canales no laterales lo que puede resultar en una recuperaci\u00f3n de clave completa durante una operaci\u00f3n de firma ECDSA. Para que sea vulnerable, un atacante tendr\u00eda que tener la capacidad de cronometrar la creaci\u00f3n de un gran n\u00famero de firmas donde par\u00e1metros expl\u00edcitos sin cofactor presente est\u00e1n en uso mediante una aplicaci\u00f3n que utiliza libcrypto. Para evitar dudas, libssl no es vulnerable porque nunca se utilizan par\u00e1metros expl\u00edcitos. Corregido en OpenSSL versi\u00f3n 1.1.1d (afectada la versi\u00f3n 1.1.1-1.1.1c). Corregido en OpenSSL versi\u00f3n 1.1.0l (afectada la versi\u00f3n 1.1.0-1.1.0k). Corregida en OpenSSL versi\u00f3n 1.0.2t (afectada la versi\u00f3n 1.0.2-1.0.2s)."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 4.7,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
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"accessVector": "LOCAL",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 1.9
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},
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"baseSeverity": "LOW",
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"exploitabilityScore": 3.4,
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"impactScore": 2.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "NVD-CWE-noinfo"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.0.2",
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"versionEndIncluding": "1.0.2s",
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"matchCriteriaId": "0DAC8B94-3674-4E4B-9BB0-A16CA0197885"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.1.0",
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"versionEndIncluding": "1.1.0k",
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"matchCriteriaId": "65728FC6-4B4F-4D43-872B-BE1133BB2281"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.1.1",
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"versionEndIncluding": "1.1.1c",
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"matchCriteriaId": "A2ACA227-3992-478E-85C3-023D8AF88A08"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00054.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00072.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00012.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00016.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "http://packetstormsecurity.com/files/154467/Slackware-Security-Advisory-openssl-Updates.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://arxiv.org/abs/1909.01785",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Third Party Advisory"
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]
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},
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{
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"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=21c856b75d81eff61aa63b4f036bb64a85bf6d46",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Mailing List",
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=30c22fa8b1d840036b8e203585738df62a03cec8",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Mailing List",
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=7c1709c2da5414f5b6133d00a03fc8c5bf996c7a",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Mailing List",
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10365",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00026.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZN4VVQJ3JDCHGIHV4Y2YTXBYQZ6PWQ7E/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://seclists.org/bugtraq/2019/Oct/0",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://seclists.org/bugtraq/2019/Oct/1",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://seclists.org/bugtraq/2019/Sep/25",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Third Party Advisory"
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]
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},
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{
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"url": "https://security.gentoo.org/glsa/201911-04",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20190919-0002/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20200122-0002/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20200416-0003/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://support.f5.com/csp/article/K73422160?utm_source=f5support&utm_medium=RSS",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://usn.ubuntu.com/4376-1/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://usn.ubuntu.com/4376-2/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://usn.ubuntu.com/4504-1/",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.debian.org/security/2019/dsa-4539",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.debian.org/security/2019/dsa-4540",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.openssl.org/news/secadv/20190910.txt",
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"source": "openssl-security@openssl.org",
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"tags": [
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"Vendor Advisory"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuapr2020.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujan2020.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujul2020.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuoct2020.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.tenable.com/security/tns-2019-08",
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"source": "openssl-security@openssl.org"
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},
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{
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"url": "https://www.tenable.com/security/tns-2019-09",
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"source": "openssl-security@openssl.org"
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}
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]
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} |