RCE in Fedora Dhcp
CVE-2018-1111
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.979 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.980 · newest: 0.979 · change: -0.001
Affected products
- Fedora Dhcp — versions Fedora 28
- Fedoraproject Fedora — versions 26, 27, 28
- Red Hat Dhcp — versions Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux — versions 6.0, 6.4, 6.5
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
- Red Hat Enterprise Virtualization — versions 4.0, 4.2
- Red Hat Enterprise Virtualization Host — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- www.tenable.com/security/tns-2018-10
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- access.redhat.com/security/vulnerabilities/3442151 (Vendor Advisory)
- www.securityfocus.com/bid/104195 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.securitytracker.com/id/1040912 (VDB Entry, Third Party Advisory, vdb-entry)
- help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+D…
- access.redhat.com/errata/RHSA-2018:1454 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:1455 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-1111?
- CVE-2018-1111 is a high-severity vulnerability in Fedora Dhcp, classified under Command Injection. CVSS score: 7.5/10. Published 2018-05-17.
- How severe is CVE-2018-1111?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-1111 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.