{"id":"CVE-2018-1111","published":"2018-05-17T16:00:00Z","modified":"2024-08-05T03:51:48Z","title":"DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw…","vendor":"Red Hat","product":"dhcp","tier":"core","eol":null,"affectedVersions":[{"vendor":"Red Hat","product":"dhcp","versions":["Red Hat Enterprise Linux 6","Red Hat Enterprise Linux 7"]},{"vendor":"Fedora","product":"dhcp","versions":["Fedora 28"]}],"description":{"text":"DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw in the NetworkManager integration script included in the DHCP client. A malicious DHCP server, or an attacker on the local network able to spoof DHCP responses, could use this flaw to execute arbitrary commands with root privileges on systems using NetworkManager and configured to obtain network configuration using the DHCP protocol.","provenance":"source","from":"CVE.org"},"summary":{"text":"The dhcp package's DHCP client in Red Hat Enterprise Linux 6 and 7 and Fedora 28 and earlier contains a command injection flaw in its NetworkManager integration script. An attacker operating a malicious DHCP server, or positioned on the local network and able to spoof DHCP responses, can execute arbitrary commands as root on systems running NetworkManager and obtaining their network configuration via DHCP.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:13:14Z"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.97862,"percentile":0.99908,"date":"2026-10-28","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1111","tags":["x_refsource_CONFIRM"]},{"url":"https://www.tenable.com/security/tns-2018-10","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDJA4QRR74TMXW34Q3DYYFPVBYRTJBI7/","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://access.redhat.com/security/vulnerabilities/3442151","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/104195","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMTTB54QNTPD2SK6UL32EVQHMZP6BUUD/","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"http://www.securitytracker.com/id/1040912","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0","tags":["x_refsource_CONFIRM"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1454","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1455","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1457","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1459","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1453","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CDCLLCHYFFXW354HMB5QBXOQOY5BH2EJ/","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1524","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1456","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1461","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://www.exploit-db.com/exploits/44652/","tags":["exploit","x_refsource_EXPLOIT-DB"]},{"url":"https://www.exploit-db.com/exploits/44890/","tags":["exploit","x_refsource_EXPLOIT-DB"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1458","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1460","tags":["vendor-advisory","x_refsource_REDHAT"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2018-11756","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-11756","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[{"id":44652,"url":"https://www.exploit-db.com/exploits/44652","title":"DynoRoot DHCP Client - Command Injection","type":"local","platform":"linux","date":"2018-05-18","verified":true,"provenance":"source"},{"id":44890,"url":"https://www.exploit-db.com/exploits/44890","title":"DHCP Client - Command Injection 'DynoRoot' (Metasploit)","type":"remote","platform":"linux","date":"2018-06-13","verified":true,"provenance":"source"},{"id":44890,"url":"https://www.exploit-db.com/exploits/44890","title":"DHCP Client - Command Injection 'DynoRoot' (Metasploit)","type":"remote","platform":"linux","date":"2018-06-13","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":3,"earliest":"2018-05-18"},"pocGithub":{"count":3,"skipped":0,"earliest":"2018-05-17","earliestUrl":"https://github.com/knqyf263/CVE-2018-1111","repos":[{"name":"knqyf263/CVE-2018-1111","url":"https://github.com/knqyf263/CVE-2018-1111","stars":13,"created":"2018-05-17"},{"name":"kkirsche/CVE-2018-1111","url":"https://github.com/kkirsche/CVE-2018-1111","stars":12,"created":"2018-05-18"},{"name":"baldassarreFe/FEP3370-advanced-ethical-hacking","url":"https://github.com/baldassarreFe/FEP3370-advanced-ethical-hacking","stars":0,"created":"2020-11-17"}]},"metasploit":[{"name":"DHCP Client Command Injection (DynoRoot)","module":"exploit/unix/dhcp/rhel_dhcp_client_command_injection","type":"exploit","disclosureDate":"2018-05-15","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/dhcp/rhel_dhcp_client_command_injection.rb"}],"first":{"date":"2018-05-15","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/dhcp/rhel_dhcp_client_command_injection.rb"},"provenance":"source"},"exploitRefs":["https://www.exploit-db.com/exploits/44652/","https://www.exploit-db.com/exploits/44890/"],"flow":[],"timeline":[{"date":"2018-05-15","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2018-05-17, Exploit-DB 2018-05-18","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/dhcp/rhel_dhcp_client_command_injection.rb","provenance":"source"},{"date":"2018-05-17","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2018-1111","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":null},"priority":{"score":30.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.98,"detail":"percentile 0.9991"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"2 NVD references tagged Exploit; 3 Exploit-DB entries; 3 PoC-in-GitHub repos; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}