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108 lines
3.2 KiB
JSON
108 lines
3.2 KiB
JSON
{
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"id": "CVE-2021-20177",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2021-05-26T21:15:08.157",
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"lastModified": "2021-06-02T21:02:53.837",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected."
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},
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{
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"lang": "es",
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"value": "Se encontr\u00f3 un fallo en la implementaci\u00f3n del kernel de Linux de la coincidencia de cadenas dentro de un paquete. Un usuario privilegiado (con root o funci\u00f3n CAP_NET_ADMIN) cuando se insertan las reglas de iptables podr\u00eda insertar una regla que puede causar p\u00e1nico en el sistema. El kernel anterior al kernel 5.5-rc1 est\u00e1 afectado"
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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:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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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": 4.4,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 0.8,
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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:L/AC:L/Au:N/C:N/I:N/A:P",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL",
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"baseScore": 2.1
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},
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"baseSeverity": "LOW",
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"exploitabilityScore": 3.9,
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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": "secalert@redhat.com",
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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-125"
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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:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "5.4.9",
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"matchCriteriaId": "A1E4152E-9A59-4E16-A122-CB88AFCEB7AF"
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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://bugzilla.redhat.com/show_bug.cgi?id=1914719",
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"source": "secalert@redhat.com",
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"tags": [
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"Issue Tracking",
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"Patch",
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"Third Party Advisory"
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]
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}
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]
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} |