{"id":"UBUNTU-CVE-2023-28488","details":"client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a stack-based buffer overflow and denial of service, terminating the connman process.","modified":"2026-02-04T04:35:15.439881Z","published":"2023-04-12T16:15:00Z","related":["USN-6236-1"],"upstream":["CVE-2023-28488"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-28488"},{"type":"REPORT","url":"https://github.com/moehw/poc_exploits/tree/master/CVE-2023-28488"},{"type":"REPORT","url":"https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=99e2c16ea1cced34a5dc450d76287a1c3e762138"},{"type":"REPORT","url":"https://kernel.googlesource.com/pub/scm/network/connman/connman/+/99e2c16ea1cced34a5dc450d76287a1c3e762138"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6236-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-28488"}],"affected":[{"package":{"name":"connman","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/connman@1.21-1.2+deb8u1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21-1.2+deb8u1ubuntu0.1~esm1"}]}],"versions":["1.21-1.2","1.21-1.2build1","1.21-1.2build2","1.21-1.2+deb8u1build0.16.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"connman","binary_version":"1.21-1.2+deb8u1ubuntu0.1~esm1"},{"binary_name":"connman-dev","binary_version":"1.21-1.2+deb8u1ubuntu0.1~esm1"},{"binary_name":"connman-vpn","binary_version":"1.21-1.2+deb8u1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28488.json"}},{"package":{"name":"connman","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/connman@1.35-6ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.35-6ubuntu0.1~esm1"}]}],"versions":["1.35-1","1.35-2","1.35-6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"connman","binary_version":"1.35-6ubuntu0.1~esm1"},{"binary_name":"connman-dev","binary_version":"1.35-6ubuntu0.1~esm1"},{"binary_name":"connman-vpn","binary_version":"1.35-6ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28488.json"}},{"package":{"name":"connman","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/connman@1.36-2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.36-2ubuntu0.1"}]}],"versions":["1.36-2build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"connman","binary_version":"1.36-2ubuntu0.1"},{"binary_name":"connman-dev","binary_version":"1.36-2ubuntu0.1"},{"binary_name":"connman-vpn","binary_version":"1.36-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28488.json"}},{"package":{"name":"connman","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/connman@1.36-2.3ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.36-2.3ubuntu0.1"}]}],"versions":["1.36-2.2build1","1.36-2.3","1.36-2.3build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"connman","binary_version":"1.36-2.3ubuntu0.1"},{"binary_name":"connman-dev","binary_version":"1.36-2.3ubuntu0.1"},{"binary_name":"connman-vpn","binary_version":"1.36-2.3ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28488.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}