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{"acknowledgement": "Red Hat would like to thank ISC for reporting this issue. Upstream acknowledges Felix Wilhelm (Google) as the original reporter.", "affected_release": [{"advisory": "RHSA-2018:0469", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "dhcp-12:4.1.1-53.P1.el6_9.3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-03-09T00:00:00Z"}, {"advisory": "RHSA-2018:0483", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "dhcp-12:4.2.5-58.el7_4.3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-03-12T00:00:00Z"}], "bugzilla": {"description": "dhcp: Buffer overflow in dhclient possibly allowing code execution triggered by malicious server", "id": "1549960", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549960"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0", "An out-of-bound memory access flaw was found in the way dhclient processed a DHCP response packet. A malicious DHCP server could potentially use this flaw to crash dhclient processes running on DHCP client machines via a crafted DHCP response packet."], "name": "CVE-2018-5732", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-5732\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-5732\nhttps://kb.isc.org/article/AA-01565"], "threat_severity": "Important", "upstream_fix": "dhcp 4.1-ESV-R15-P1, dhcp 4.3.6-P1, dhcp 4.4.1"}