Vulnerabilties DdQs2lwX4AEVD2i

Published on May 16th, 2018📅

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CVE-2018-1111: Red Hat DHCP Client Script Code Execution Vulnerability

On May 15, Red Hat officially issued a notice that it fixed a DHCP Client related vulnerability(CVE-2018-1111). When the system uses NetworkManager and configures the DHCP protocol, an attacker can use a malicious DHCP server or DHCP response constructed by the local network to execute arbitrary commands on the system with root privileges.



CVE-2018-1111 Affected Versions

  • Red Hat Enterprise Linux Server 6
  • Red Hat Enterprise Linux Server 7

CVE-2018-1111 Unaffected Version

Product Package Advisory/Update
Red Hat Enterprise Linux 7 (z-stream) dhclient RHSA-2018:1453
Red Hat Enterprise Linux 7.4 Extended Update Support * dhclient RHSA-2018:1455
Red Hat Enterprise Linux 7.3 Extended Update Support * dhclient RHSA-2018:1456
Red Hat Enterprise Linux 7.2 Advanced Update Support, Telco Extended Update Support, and Update Services for SAP Solutions **,***,**** dhclient RHSA-2018:1457
Red Hat Enterprise Linux 6 (z-stream) dhclient RHSA-2018:1454
Red Hat Enterprise Linux 6.7 Extended Update Support * dhclient RHSA-2018:1458
Red Hat Enterprise Linux 6.6 Advanced Update Support and Telco Extended Update Support **,*** dhclient RHSA-2018:1459
Red Hat Enterprise Linux 6.5 Advanced Update Support ** dhclient RHSA-2018:1460
Red Hat Enterprise Linux 6.4 Advanced Update Support  ** dhclient RHSA-2018:1461


The official version of Red Hat has released a new version to fix the above vulnerabilities. Users should upgrade and protect them in time.

Because NetworkManager is enabled by default in a DHCP-based environment, it is strongly recommended that affected users install updates as soon as possible.

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