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vuln-cve/data/2022/38xxx/CVE-2022-38177.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2022-38177",
"assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
"assignerShortName": "isc",
"dateUpdated": "2025-05-28T15:23:30.627Z",
"dateReserved": "2022-08-12T00:00:00.000Z",
"datePublished": "2022-09-21T10:15:28.292Z"
},
"containers": {
"cna": {
"title": "Memory leak in ECDSA DNSSEC verification code",
"datePublic": "2022-09-21T00:00:00.000Z",
"providerMetadata": {
"orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
"shortName": "isc",
"dateUpdated": "2022-12-28T00:00:00.000Z"
},
"descriptions": [
{
"lang": "en",
"value": "By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources."
}
],
"affected": [
{
"vendor": "ISC",
"product": "BIND9",
"versions": [
{
"version": "Open Source Branches 9.8 through 9.16 9.8.4 through versions before 9.16.33",
"status": "affected"
},
{
"version": "Supported Preview Branches 9.9-S through 9.11-S 9.9.4-S1 through versions up to and including 9.11.37-S1",
"status": "affected"
},
{
"version": "Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://kb.isc.org/docs/cve-2022-38177"
},
{
"name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
},
{
"name": "DSA-5235",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2022/dsa-5235"
},
{
"name": "FEDORA-2022-ef038365de",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/"
},
{
"name": "FEDORA-2022-8268735e06",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/"
},
{
"name": "FEDORA-2022-b197d64471",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/"
},
{
"name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
},
{
"name": "GLSA-202210-25",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202210-25"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221228-0010/"
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "text",
"lang": "en",
"description": "In BIND 9.8.4 -> 9.16.32 and versions 9.9.4-S1 -> 9.11.37-S1, 9.16.8-S1 -> 9.16.32-S1 of the BIND Supported Preview Edition, the DNSSEC verification code for the ECDSA algorithm leaks memory when there is a signature length mismatch."
}
]
}
],
"source": {
"discovery": "INTERNAL"
},
"workarounds": [
{
"lang": "en",
"value": "Disable the following algorithms in your configuration using the disable-algorithms option: ECDSAP256SHA256, ECDSAP384SHA384. Note that this causes zones signed with these algorithms to be treated as insecure."
}
],
"exploits": [
{
"lang": "en",
"value": "This flaw was discovered in internal testing. We are not aware of any active exploits."
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-03T10:45:52.975Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://kb.isc.org/docs/cve-2022-38177",
"tags": [
"x_transferred"
]
},
{
"name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
},
{
"name": "DSA-5235",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5235"
},
{
"name": "FEDORA-2022-ef038365de",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/"
},
{
"name": "FEDORA-2022-8268735e06",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/"
},
{
"name": "FEDORA-2022-b197d64471",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/"
},
{
"name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
},
{
"name": "GLSA-202210-25",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202210-25"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221228-0010/",
"tags": [
"x_transferred"
]
}
]
},
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-401",
"lang": "en",
"description": "CWE-401 Missing Release of Memory after Effective Lifetime"
}
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-05-28T15:23:21.247796Z",
"id": "CVE-2022-38177",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"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": "2025-05-28T15:23:30.627Z"
}
}
]
}
}
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