159 lines
10 KiB
JSON
159 lines
10 KiB
JSON
{
|
||
"dataType": "CVE_RECORD",
|
||
"dataVersion": "5.2",
|
||
"cveMetadata": {
|
||
"cveId": "CVE-2026-40557",
|
||
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
|
||
"state": "PUBLISHED",
|
||
"assignerShortName": "apache",
|
||
"dateReserved": "2026-04-14T11:20:51.218Z",
|
||
"datePublished": "2026-04-27T13:12:11.118Z",
|
||
"dateUpdated": "2026-04-30T15:21:01.170Z"
|
||
},
|
||
"containers": {
|
||
"cna": {
|
||
"affected": [
|
||
{
|
||
"collectionURL": "https://repo.maven.apache.org/maven2/",
|
||
"defaultStatus": "unaffected",
|
||
"packageName": "org.apache.storm:storm-metrics-prometheus",
|
||
"product": "Apache Storm Prometheus Reporter",
|
||
"vendor": "Apache Software Foundation",
|
||
"versions": [
|
||
{
|
||
"lessThan": "2.8.7",
|
||
"status": "affected",
|
||
"version": "2.6.3",
|
||
"versionType": "semver"
|
||
}
|
||
]
|
||
}
|
||
],
|
||
"credits": [
|
||
{
|
||
"lang": "en",
|
||
"type": "finder",
|
||
"value": "K"
|
||
}
|
||
],
|
||
"descriptions": [
|
||
{
|
||
"lang": "en",
|
||
"supportingMedia": [
|
||
{
|
||
"base64": false,
|
||
"type": "text/html",
|
||
"value": "<p><strong>Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter</strong></p>\n<p><b>Versions Affected: </b>from 2.6.3 to 2.8.6</p>\n<p><b>Description: </b></p><p><span style=\"background-color: rgb(255, 255, 255);\">In production deployments where an administrator enables </span><code>storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation </code>(by default it is disabled) <span style=\"background-color: rgb(255, 255, 255);\">intending to affect only the Prometheus reporter, the undocumented global side effect creates an attack surface across every TLS-protected communication channel in the Storm daemon.</span><b><br></b></p><p>The <code>PrometheusPreparableReporter</code> class implements an <code>INSECURE_TRUST_MANAGER</code> that accepts all SSL certificates without validation, with empty <code>checkClientTrusted</code> and <code>checkServerTrusted</code> methods. Most critically, when the <code>storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation</code> configuration option is enabled (default = disabled) for HTTPS Prometheus PushGateway connections, the <code>INSECURE_CONNECTION_FACTORY</code> calls <code>SSLContext.setDefault(sslContext)</code>, which globally replaces the JVM's default SSL context rather than applying the insecure context only to the Prometheus connection. This payload flows through storm.yaml configuration → <code>PrometheusPreparableReporter.prepare()</code> → <code>INSECURE_CONNECTION_FACTORY</code> → <code>SSLContext.setDefault()</code>, resulting in a JVM-wide TLS security downgrade. All subsequent HTTPS connections in the process - including ZooKeeper, Thrift, Netty, and UI connections - silently trust all certificates, including self-signed, expired, and attacker-generated ones, enabling man-in-the-middle interception of cluster state, topology submissions, tuple data, and administrative credentials.<br></p>\n\n<p><b>Mitigation:</b> 2.x users should upgrade to 2.8.7 if the Prometheus Metrics Reporter is used. Prometheus Metrics Reporter Users who cannot upgrade immediately should remove the <code>storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation: true</code> setting from their storm.yaml configuration and instead configure a proper truststore containing the PushGateway's certificate.<br></p>\n<br>"
|
||
}
|
||
],
|
||
"value": "Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter\n\n\nVersions Affected: from 2.6.3 to 2.8.6\n\n\nDescription: \n\nIn production deployments where an administrator enables storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation (by default it is disabled) intending to affect only the Prometheus reporter, the undocumented global side effect creates an attack surface across every TLS-protected communication channel in the Storm daemon.\n\n\nThe PrometheusPreparableReporter class implements an INSECURE_TRUST_MANAGER that accepts all SSL certificates without validation, with empty checkClientTrusted and checkServerTrusted methods. Most critically, when the storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation configuration option is enabled (default = disabled) for HTTPS Prometheus PushGateway connections, the INSECURE_CONNECTION_FACTORY calls SSLContext.setDefault(sslContext), which globally replaces the JVM's default SSL context rather than applying the insecure context only to the Prometheus connection. This payload flows through storm.yaml configuration → PrometheusPreparableReporter.prepare() → INSECURE_CONNECTION_FACTORY → SSLContext.setDefault(), resulting in a JVM-wide TLS security downgrade. All subsequent HTTPS connections in the process - including ZooKeeper, Thrift, Netty, and UI connections - silently trust all certificates, including self-signed, expired, and attacker-generated ones, enabling man-in-the-middle interception of cluster state, topology submissions, tuple data, and administrative credentials.\n\n\n\n\nMitigation: 2.x users should upgrade to 2.8.7 if the Prometheus Metrics Reporter is used. Prometheus Metrics Reporter Users who cannot upgrade immediately should remove the storm.daemon.metrics.reporter.plugin.prometheus.skip_tls_validation: true setting from their storm.yaml configuration and instead configure a proper truststore containing the PushGateway's certificate."
|
||
}
|
||
],
|
||
"metrics": [
|
||
{
|
||
"other": {
|
||
"content": {
|
||
"text": "moderate"
|
||
},
|
||
"type": "Textual description of severity"
|
||
}
|
||
}
|
||
],
|
||
"problemTypes": [
|
||
{
|
||
"descriptions": [
|
||
{
|
||
"cweId": "CWE-295",
|
||
"description": "CWE-295 Improper Certificate Validation",
|
||
"lang": "en",
|
||
"type": "CWE"
|
||
}
|
||
]
|
||
}
|
||
],
|
||
"providerMetadata": {
|
||
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
|
||
"shortName": "apache",
|
||
"dateUpdated": "2026-04-27T13:12:11.118Z"
|
||
},
|
||
"references": [
|
||
{
|
||
"tags": [
|
||
"vendor-advisory"
|
||
],
|
||
"url": "https://lists.apache.org/thread/f5bv68z1y5xstz22psjk05p3wn86knjq"
|
||
}
|
||
],
|
||
"source": {
|
||
"discovery": "EXTERNAL"
|
||
},
|
||
"title": "Apache Storm Prometheus Reporter: Disabling TLS verification for Prometheus Reporter also disables it for all other connections",
|
||
"x_generator": {
|
||
"engine": "Vulnogram 0.2.0"
|
||
}
|
||
},
|
||
"adp": [
|
||
{
|
||
"title": "CVE Program Container",
|
||
"references": [
|
||
{
|
||
"url": "http://www.openwall.com/lists/oss-security/2026/04/25/2"
|
||
}
|
||
],
|
||
"providerMetadata": {
|
||
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
|
||
"shortName": "CVE",
|
||
"dateUpdated": "2026-04-27T13:36:44.872Z"
|
||
}
|
||
},
|
||
{
|
||
"metrics": [
|
||
{
|
||
"cvssV3_1": {
|
||
"scope": "UNCHANGED",
|
||
"version": "3.1",
|
||
"baseScore": 4.8,
|
||
"attackVector": "NETWORK",
|
||
"baseSeverity": "MEDIUM",
|
||
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
|
||
"integrityImpact": "LOW",
|
||
"userInteraction": "NONE",
|
||
"attackComplexity": "HIGH",
|
||
"availabilityImpact": "NONE",
|
||
"privilegesRequired": "NONE",
|
||
"confidentialityImpact": "LOW"
|
||
}
|
||
},
|
||
{
|
||
"other": {
|
||
"type": "ssvc",
|
||
"content": {
|
||
"timestamp": "2026-04-27T13:58:23.511144Z",
|
||
"id": "CVE-2026-40557",
|
||
"options": [
|
||
{
|
||
"Exploitation": "none"
|
||
},
|
||
{
|
||
"Automatable": "no"
|
||
},
|
||
{
|
||
"Technical Impact": "partial"
|
||
}
|
||
],
|
||
"role": "CISA Coordinator",
|
||
"version": "2.0.3"
|
||
}
|
||
}
|
||
}
|
||
],
|
||
"title": "CISA ADP Vulnrichment",
|
||
"providerMetadata": {
|
||
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
||
"shortName": "CISA-ADP",
|
||
"dateUpdated": "2026-04-30T15:21:01.170Z"
|
||
}
|
||
}
|
||
]
|
||
}
|
||
} |