175 lines
7.8 KiB
JSON
175 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-2026-47833",
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"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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"state": "PUBLISHED",
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"assignerShortName": "vmware",
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"dateReserved": "2026-05-20T10:00:48.931Z",
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"datePublished": "2026-06-18T18:30:18.855Z",
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"dateUpdated": "2026-06-18T19:08:11.771Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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"shortName": "vmware",
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"dateUpdated": "2026-06-18T18:30:18.855Z"
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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": "CWE-59: Improper Link Resolution Before File Access ('Link Following')",
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"cweId": "CWE-59",
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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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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "A low-privileged process inside a bpm container can cause root to chown /etc/shadow to vcap, enabling the attacker to read all host password hashes (High Confidentiality, Low Integrity impact) via the read-only /etc bind mount."
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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": "Cloud Foundry Foundation",
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"product": "bpm-release",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "1.4.30",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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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": "setupBpmLogs follows symlink for bpm.log open and chown — container-to-host privilege escalation via /etc/shadow. A compromised process inside a bpm container can cause root to chown an arbitrary host file to vcap and append bpm JSON log lines to it. The chown alone lets the attacker take ownership of /etc/shadow and read every password hash on the host via the read-only /etc bind mount. This is a container-to-host confidentiality break affecting every bpm-managed job.\n\nAffected versions: bpm-release, all versions prior to v1.4.30.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "setupBpmLogs follows symlink for bpm.log open and chown — container-to-host privilege escalation via /etc/shadow. A compromised process inside a bpm container can cause root to chown an arbitrary host file to vcap and append bpm JSON log lines to it. The chown alone lets the attacker take ownership of /etc/shadow and read every password hash on the host via the read-only /etc bind mount. This is a container-to-host confidentiality break affecting every bpm-managed job.\n\nAffected versions: bpm-release, all versions prior to v1.4.30."
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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://www.cloudfoundry.org/blog/cve-2026-47833-symlink-vulnerability-in-setupbpmlogs-allows-container-to-host-privilege-escalation-via-etc-shadow/"
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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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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"attackVector": "LOCAL",
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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": "HIGH",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"version": "3.1",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.1,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.8,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"
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}
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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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": "2026-06-18T19:08:03.392017Z",
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"id": "CVE-2026-47833",
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"options": [
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{
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"Exploitation": "none"
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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": "2026-06-18T19:08:11.771Z"
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}
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}
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]
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}
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} |