Security Bulletin: ISC DHCP vulnerability affects TS4500 Tape Library (CVE-2018-5732)

Summary

The TS4500 Tape Library may be vulnerable to a denial of service attack if dynamic addressing (DHCP) is used.

Vulnerability Details

CVEID:CV____E-2018-5732__ __
DESCRIPTION:
ISC DHCP is vulnerable to a denial of service, caused by a buffer overflow in dhclient. By sending a specially crafted response, a remote attacker could overflow a buffer and possibly execute arbitrary code on the system or cause the server to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/vulnerabilities/139613 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Version 1.4.1.2 and lower.

Remediation/Fixes

Upgrade to version 1.4.1.3 or later.

Workarounds and Mitigations

Use static addressing for the library IP address and/or use a trusted DHCP server.