183 lines
7.8 KiB
JSON
183 lines
7.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-100721",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-09-26T02:40:56.226Z",
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"datePublished": "2026-09-27T01:28:28.596Z",
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"dateUpdated": "2026-09-28T16:51:10.611Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-09-27T01:28:28.596Z"
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},
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"datePublic": "2026-09-08T00:00:00.000Z",
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"title": "vm2 before 3.12.2 Authorization Bypass via Custom Resolver",
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"descriptions": [
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{
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"lang": "en",
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"value": "vm2 before 3.12.2 contains an authorization bypass in the NodeVM external-module resolver. When an embedder configures `require.external` with a custom resolver (and `context: 'host'`), `LegacyResolver.customResolve` in lib/resolver-compat.js records the resolved module directory in `this.externals` as `new RegExp('^' + escapeRegExp(resolvedPath))`, without requiring a path separator or end-of-string boundary. Untrusted guest code can therefore require the allowlisted module (e.g. `foo`) and then require the absolute path of a non-allowlisted sibling whose path merely shares the resolved prefix (e.g. `.../node_modules/foo2/index.js`); the sibling passes `isPathAllowedForModule` and is loaded through `hostRequire`, so its top-level code runs in the host process before the exports are wrapped with `vm.readonly`, resulting in a sandbox escape and arbitrary code execution in the host context."
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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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"lang": "en",
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"description": "Incorrect Authorization",
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"cweId": "CWE-863",
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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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"affected": [
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{
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"vendor": "patriksimek",
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"product": "vm2",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/vm2",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "3.12.2"
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},
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{
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"version": "3.12.2",
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"status": "unaffected",
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"versionType": "semver"
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}
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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"baseScore": 9.5,
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"baseSeverity": "CRITICAL"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 9,
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"baseSeverity": "CRITICAL"
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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://github.com/patriksimek/vm2/security/advisories/GHSA-5h3f-q97h-ccvc",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-5h3f-q97h-ccvc)"
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},
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{
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"url": "https://github.com/patriksimek/vm2/commit/6ac3916da84e060c403e407b6b6318fcc66b0e72",
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"tags": [
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"patch"
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],
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"name": "Patch Commit"
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},
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{
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"url": "https://github.com/patriksimek/vm2/commit/ab4ee7d803e8c80155e9eb3672226bddbca4aa9c",
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"tags": [
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"patch"
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],
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"name": "Patch Commit"
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},
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{
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"url": "https://github.com/patriksimek/vm2/commit/91034466bfb7f56b95fd48083ec6ca36d058f164",
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"tags": [
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"patch"
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],
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"name": "Patch Commit"
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},
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{
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"name": "VulnCheck Advisory: vm2 before 3.12.2 Authorization Bypass via Custom Resolver",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/vm2-before-3.12.2-authorization-bypass-via-custom-resolver"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "rexpository",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-28T16:50:50.404410Z",
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"id": "CVE-2026-100721",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-28T16:51:10.611Z"
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}
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}
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]
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}
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} |