167 lines
7.7 KiB
JSON
167 lines
7.7 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "PaX",
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"vendor": "n/a",
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"versions": [
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{
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"status": "affected",
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"version": "PaX pax-linux-4.9.24-test7.patch (latest version available to the public) grsecurity grsecurity-3.1-4.9.24-201704252333.patch (latest official version available to the public) v4.9.74-unofficial_grsec (latest unofficial version available to the public)"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "An exploitable vulnerability exists in the grsecurity PaX patch for the function read_kmem, in PaX from version pax-linux-4.9.8-test1 to 4.9.24-test7, grsecurity official from version grsecurity-3.1-4.9.8-201702060653 to grsecurity-3.1-4.9.24-201704252333, grsecurity unofficial from version v4.9.25-unofficialgrsec to v4.9.74-unofficialgrsec. PaX adds a temp buffer to the read_kmem function, which is never freed when an invalid address is supplied. This results in a memory leakage that can lead to a crash of the system. An attacker needs to induce a read to /dev/kmem using an invalid address to exploit this vulnerability."
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}
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],
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"metrics": [
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{
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"cvssV3_0": {
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"version": "3.0"
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-401",
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"description": "CWE-401: Improper Release of Memory Before Removing Last Reference",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"dateUpdated": "2022-04-19T17:32:57.000Z",
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"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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"shortName": "talos"
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},
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"references": [
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"
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}
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],
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"x_legacyV4Record": {
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"CVE_data_meta": {
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"ASSIGNER": "talos-cna@cisco.com",
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"ID": "CVE-2019-5023",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "PaX",
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"version": {
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"version_data": [
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{
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"version_value": "PaX pax-linux-4.9.24-test7.patch (latest version available to the public) grsecurity grsecurity-3.1-4.9.24-201704252333.patch (latest official version available to the public) v4.9.74-unofficial_grsec (latest unofficial version available to the public)"
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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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"vendor_name": "n/a"
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}
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]
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}
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},
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "An exploitable vulnerability exists in the grsecurity PaX patch for the function read_kmem, in PaX from version pax-linux-4.9.8-test1 to 4.9.24-test7, grsecurity official from version grsecurity-3.1-4.9.8-201702060653 to grsecurity-3.1-4.9.24-201704252333, grsecurity unofficial from version v4.9.25-unofficialgrsec to v4.9.74-unofficialgrsec. PaX adds a temp buffer to the read_kmem function, which is never freed when an invalid address is supplied. This results in a memory leakage that can lead to a crash of the system. An attacker needs to induce a read to /dev/kmem using an invalid address to exploit this vulnerability."
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}
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]
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},
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"impact": {
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"cvss": {
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"baseScore": 5.9,
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"baseSeverity": "Medium",
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"vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"version": "3.0"
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-401: Improper Release of Memory Before Removing Last Reference"
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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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"reference_data": [
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{
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"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784",
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"refsource": "MISC",
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"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"
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}
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]
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}
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T19:40:48.969Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"
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}
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]
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}
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]
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},
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"cveMetadata": {
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"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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"assignerShortName": "talos",
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"cveId": "CVE-2019-5023",
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"datePublished": "2019-10-31T20:15:40.000Z",
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"dateReserved": "2019-01-04T00:00:00.000Z",
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"dateUpdated": "2024-08-04T19:40:48.969Z",
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"state": "PUBLISHED"
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},
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1"
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} |