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114 lines
3.9 KiB
JSON
114 lines
3.9 KiB
JSON
{
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"id": "CVE-2020-28361",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2020-11-18T14:15:12.017",
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"lastModified": "2020-12-03T13:07:10.263",
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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": "Kamailio before 5.4.0, as used in Sip Express Router (SER) in Sippy Softswitch 4.5 through 5.2 and other products, allows a bypass of a header-removal protection mechanism via whitespace characters. This occurs in the remove_hf function in the Kamailio textops module. Particular use of remove_hf in Sippy Softswitch may allow skilled attacker having a valid credential in the system to disrupt internal call start/duration accounting mechanisms leading potentially to a loss of revenue."
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},
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{
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"lang": "es",
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"value": "Kamailio versiones anteriores a 5.4.0, como es usado en Sip Express Router (SER) en Sippy Softswitch versiones 4.5 hasta 5.2 y otros productos, permite omitir un mecanismo de protecci\u00f3n de eliminaci\u00f3n de encabezado por medio de caracteres de espacio en blanco. Esto ocurre en la funci\u00f3n remove_hf en el m\u00f3dulo textops de Kamailio. El uso particular de remove_hf en el softswitch Sippy puede permitir a un atacante h\u00e1bil con una credencial v\u00e1lida en el sistema interrumpir los mecanismos internos de contabilidad de inicio/duraci\u00f3n de llamadas, lo que puede dar lugar a una p\u00e9rdida de ingresos"
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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:L/I:L/A:N",
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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": "LOW",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 5.4,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 2.8,
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"impactScore": 2.5
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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:P/I:P/A:N",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "SINGLE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "PARTIAL",
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"availabilityImpact": "NONE",
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"baseScore": 5.5
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.0,
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"impactScore": 4.9,
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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-444"
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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:kamailio:kamailio:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.4.0",
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"matchCriteriaId": "95B2FC08-D7E3-4464-9D9C-DD5187C9119A"
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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://packetstormsecurity.com/files/159030/Kamailio-5.4.0-Header-Smuggling.html",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Third Party Advisory",
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"VDB Entry"
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]
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},
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{
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"url": "https://support.sippysoft.com/support/discussions/topics/3000179616",
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"source": "cve@mitre.org",
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"tags": [
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"Permissions Required"
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]
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}
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]
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} |