CVE-2022-0934

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{"acknowledgement": "This issue was discovered by Petr Men\u0161\u00edk (Red Hat, Inc.) and Richard Johnson (Trellix Threat Labs).", "affected_release": [{"advisory": "RHSA-2022:7633", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dnsmasq-0:2.79-24.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2024:1545", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "dnsmasq-0:2.79-21.el8_6.5", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2022:8070", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dnsmasq-0:2.85-5.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "dnsmasq: Heap use after free in dhcp6_no_relay", "id": "2057075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.", "A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service."], "name": "CVE-2022-0934", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2022-03-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-0934\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0934\nhttps://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"], "statement": "The severity of this flaw was set to Moderate because this is a 1-byte out-of-bounds write/use-after-free issue where the attacker does not control the data written (it is predefined in a header file). The highest impact is only to availability.", "threat_severity": "Moderate"}

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