150 lines
6.5 KiB
JSON
150 lines
6.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2025-30193",
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"assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
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"state": "PUBLISHED",
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"assignerShortName": "OX",
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"dateReserved": "2025-03-18T08:39:46.884Z",
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"datePublished": "2025-05-20T11:17:17.378Z",
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"dateUpdated": "2025-05-20T13:16:34.707Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.powerdns.com/",
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"defaultStatus": "affected",
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"modules": [
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"DNS over TCP"
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],
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"packageName": "dnsdist",
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"product": "DNSdist",
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"programFiles": [
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"dnsdist-tcp.cc"
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],
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"repo": "https://github.com/PowerDNS/pdns",
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"vendor": "PowerDNS",
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"versions": [
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{
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"status": "unaffected",
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"version": "1.9.10",
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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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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Renaud Allard"
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}
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],
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"datePublic": "2025-05-20T11:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "In some circumstances, when DNSdist is configured to allow an unlimited number of queries on a single, incoming TCP connection from a client, an attacker can cause a denial of service by crafting a TCP exchange that triggers an exhaustion of the stack and a crash of DNSdist, causing a denial of service.<br><br>The remedy is: upgrade to the patched 1.9.10 version.<br><br>A workaround is to restrict the maximum number of queries on incoming TCP connections to a safe value, like 50, via the setMaxTCPQueriesPerConnection setting.<br><br>We would like to thank Renaud Allard for bringing this issue to our attention.<br><br>"
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}
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],
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"value": "In some circumstances, when DNSdist is configured to allow an unlimited number of queries on a single, incoming TCP connection from a client, an attacker can cause a denial of service by crafting a TCP exchange that triggers an exhaustion of the stack and a crash of DNSdist, causing a denial of service.\n\nThe remedy is: upgrade to the patched 1.9.10 version.\n\nA workaround is to restrict the maximum number of queries on incoming TCP connections to a safe value, like 50, via the setMaxTCPQueriesPerConnection setting.\n\nWe would like to thank Renaud Allard for bringing this issue to our attention."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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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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}
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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-674",
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"description": "CWE-674 Uncontrolled Recursion",
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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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"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
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"shortName": "OX",
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"dateUpdated": "2025-05-20T11:17:17.378Z"
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},
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"references": [
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{
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"url": "https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-03.html"
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}
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],
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"source": {
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"advisory": "PowerDNS Security Advisory 2025-03",
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"discovery": "EXTERNAL"
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},
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"title": "Denial of service via crafted TCP exchange",
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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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": "2025-05-20T13:16:06.361581Z",
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"id": "CVE-2025-30193",
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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": "yes"
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},
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{
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"Technical Impact": "partial"
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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": "2025-05-20T13:16:34.707Z"
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}
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}
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]
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}
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} |