{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-22217", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-04T14:51:10.438Z", "dateReserved": "2020-08-13T00:00:00", "datePublished": "2023-08-22T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-09-15T08:06:18.645150"}, "descriptions": [{"lang": "en", "value": "Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/c-ares/c-ares/issues/333"}, {"name": "[debian-lts-announce] 20230915 [SECURITY] [DLA 3567-1] c-ares security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00014.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:51:10.438Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/c-ares/c-ares/issues/333", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230915 [SECURITY] [DLA 3567-1] c-ares security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00014.html"}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:c-ares:c-ares:1.16.1:*:*:*:*:*:*:*", "matchCriteriaId": "F414AE45-51A4-439A-9522-74D765564707", "vulnerable": true}, {"criteria": "cpe:2.3:a:c-ares:c-ares:1.17.0:*:*:*:*:*:*:*", "matchCriteriaId": "80C8C96E-B5F9-41C8-AE10-AF1D7AC3CFEF", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c."}, {"lang": "es", "value": "Vulnerabilidad de desbordamiento de b\u00fafer en c-ares antes de 1_16_1 a 1_17_0 mediante la funci\u00f3n ares_parse_soa_reply en ares_parse_soa_reply.c."}], "id": "CVE-2020-22217", "lastModified": "2023-10-30T17:47:38.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-22T19:16:19.050", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/c-ares/c-ares/issues/333"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00014.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7207", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "c-ares-0:1.13.0-9.el8_9.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2024:0419", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "c-ares-0:1.13.0-6.el8_6.3", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2024:0578", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "c-ares-0:1.13.0-6.el8_8.4", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}], "bugzilla": {"description": "c-ares: Heap buffer over read in ares_parse_soa_reply", "id": "2235527", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2235527"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-126", "details": ["Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.", "A heap buffer over-read flaw was found in c-ares via the ares_parse_soa_reply function in ares_parse_soa_reply.c."], "name": "CVE-2020-22217", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-24/ee-supported-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "c-ares", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "c-ares", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs:16/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs:18/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs:20/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "c-ares", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs:18/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs:20/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-nodejs14-nodejs", "product_name": "Red Hat Software Collections"}], "public_date": "2023-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-22217\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-22217\nhttps://github.com/c-ares/c-ares/issues/333\nhttps://github.com/c-ares/c-ares/pull/332"], "statement": "The attack vector for this flaw initiates from a malicious server (a SOA reply to a client query) which requires a attacker set up a server a make it to be queried by a victim through cache poisoning or MITM, raising the Attack Complexity to High. \nThis being a out of bounds reads does not bring a risk of memory corruption, which makes it of none impact to Integrity. Also the read limitis 2 bytes (16bit, unsigned short int) from the DNS_QUERY_TYPE MACRO[1] return and the read value would be ignored and not propagated anywhere since the subsequent check would also fail making the confidentiality impact as none.\n[1] https://github.com/c-ares/c-ares/blob/4d4fb34075c90d8f2f9ff81890152ab60f65e48e/include/ares_dns.h#L95\n[2] https://github.com/c-ares/c-ares/issues/333", "threat_severity": "Moderate", "upstream_fix": "c-ares 1.17.0"}