{ "CVE_data_meta" : { "ASSIGNER" : "security@ubuntu.com", "DATE_PUBLIC" : "2018-10-25T00:00:00.000Z", "ID" : "CVE-2018-15688", "STATE" : "PUBLIC", "TITLE" : "Out-of-Bounds write in systemd-networkd dhcpv6 option handling" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "systemd", "version" : { "version_data" : [ { "affected" : "<=", "version_value" : "239" } ] } } ] }, "vendor_name" : "systemd" } ] } }, "credit" : [ { "lang" : "eng", "value" : "Felix Wilhelm from the Google Security Team" } ], "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "value" : "A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239." } ] }, "impact" : { "cvss" : { "attackComplexity" : "LOW", "attackVector" : "ADJACENT_NETWORK", "availabilityImpact" : "HIGH", "baseScore" : 8.8, "baseSeverity" : "HIGH", "confidentialityImpact" : "HIGH", "integrityImpact" : "HIGH", "privilegesRequired" : "NONE", "scope" : "UNCHANGED", "userInteraction" : "NONE", "vectorString" : "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version" : "3.0" } }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "dhcp6_option_append_ia() contained an incorrect buffer size calculation." } ] } ] }, "references" : { "reference_data" : [ { "name" : "[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update", "refsource" : "MLIST", "url" : "https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html" }, { "name" : "https://github.com/systemd/systemd/pull/10518", "refsource" : "MISC", "url" : "https://github.com/systemd/systemd/pull/10518" }, { "name" : "GLSA-201810-10", "refsource" : "GENTOO", "url" : "https://security.gentoo.org/glsa/201810-10" }, { "name" : "RHSA-2018:3665", "refsource" : "REDHAT", "url" : "https://access.redhat.com/errata/RHSA-2018:3665" }, { "name" : "RHSA-2019:0049", "refsource" : "REDHAT", "url" : "https://access.redhat.com/errata/RHSA-2019:0049" }, { "name" : "USN-3806-1", "refsource" : "UBUNTU", "url" : "https://usn.ubuntu.com/3806-1/" }, { "name" : "USN-3807-1", "refsource" : "UBUNTU", "url" : "https://usn.ubuntu.com/3807-1/" }, { "name" : "105745", "refsource" : "BID", "url" : "http://www.securityfocus.com/bid/105745" } ] }, "source" : { "defect" : [ "https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1795921" ], "discovery" : "EXTERNAL" } }