{ "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" } } ] } }