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{"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-rhel9", "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"}

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