mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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199 lines
7.2 KiB
JSON
199 lines
7.2 KiB
JSON
{
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"id": "CVE-2021-26713",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2021-02-19T20:15:13.193",
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"lastModified": "2021-02-26T17:02:17.080",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"value": "A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch."
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},
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{
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"lang": "es",
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"value": "Un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en el archivo res_rtp_asterisk.c en Sangoma Asterisk versiones anteriores a 16.16.1, versiones 17.x anteriores a 17.9.2 y versiones 18.x anteriores a 18.2.1 y Certified Asterisk versiones anteriores a 16.8-cert6, permite a un cliente WebRTC autenticado causar un bloqueo de Asterisk mediante el env\u00edo de m\u00faltiples peticiones de hold/unhold en una sucesi\u00f3n r\u00e1pida. Esto es causado por una discrepancia en la comparaci\u00f3n de firmas"
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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:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 2.8,
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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:N/AC:L/Au:S/C:N/I:N/A:P",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "SINGLE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL",
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"baseScore": 4.0
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.0,
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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": "CWE-787"
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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:digium:asterisk:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "16.0.0",
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"versionEndExcluding": "16.16.1",
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"matchCriteriaId": "7382B641-0396-456F-BF33-3F6412E35F2D"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "17.0.0",
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"versionEndExcluding": "17.9.2",
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"matchCriteriaId": "C5BA8606-ADA9-4841-A7E2-A9165138849A"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "18.0.0",
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"versionEndExcluding": "18.2.1",
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"matchCriteriaId": "CE8661F7-03A5-4850-BEF7-E306AECE3037"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:*",
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"matchCriteriaId": "81C3E390-8B99-4EB8-82DD-02893611209A"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:*",
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"matchCriteriaId": "17DB2297-1908-4F87-8046-2BAA74569D71"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:*",
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"matchCriteriaId": "CEA2CC40-C2F6-4828-82F0-1B50D3E61F77"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:*",
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"matchCriteriaId": "32F19F43-C1E8-4B6C-9356-AF355B7320BD"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:*",
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"matchCriteriaId": "21D1FA32-B441-485F-8AE9-F3A394626909"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:*",
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"matchCriteriaId": "F7795CCF-B160-4B4F-9529-1192C11D7FDB"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:*",
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"matchCriteriaId": "0C5E5D0D-9EB3-40FD-8B7E-E93A95D07AB1"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:*",
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"matchCriteriaId": "C7DFDA30-DD61-4BBC-AFE4-448BF2A4F303"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:*",
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"matchCriteriaId": "142F1F89-49AC-4A0B-A273-61F697063A5A"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:*",
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"matchCriteriaId": "53041795-788C-4914-A2F6-41539ABE0244"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:*",
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"matchCriteriaId": "FBB98E65-B2D0-49A4-8BF3-12155E3E13C9"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:*",
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"matchCriteriaId": "769C854C-03CD-40A9-B39B-C0CDCA8252EA"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:*",
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"matchCriteriaId": "6D86AD6E-4E07-48B0-88D8-E18F277FFE6A"
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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": "https://downloads.asterisk.org/pub/security/",
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"source": "cve@mitre.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://downloads.asterisk.org/pub/security/AST-2021-004.html",
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"source": "cve@mitre.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://issues.asterisk.org/jira/browse/ASTERISK-29205",
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"source": "cve@mitre.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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} |