Security update for package dhcpcd
(Last modified: 02OCT2002)
solutions Security update for package dhcpcd SuSE Linux Maintenance Web (55a4bb0c62f72123ff8fd9fef2ce04cd)
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dhcpcd</kdb> should install this patch. Contraindications None. Problem description The dhcpcdDHCP client daemon has the ability to execute an external script named
/sbin/dhcpcd-<interface>.exewhen assigning a new IP address. This is a shell script that can be used to perform additional system configuration jobs using information supplied by the DHCP server. It is not installed by default, however.
The script obtains the DHCP information by sourcing a file named
/var/lib/dhcpcd/dhcpcd-<interface>.info, containing a list of shell variable assignments. Insufficient quoting of these assignments allowed malicious DHCP servers (or attackers able to spoof DHCP responses) to execute arbitrary shell commands on the DHCP client if the user had installed the
If you are using the
dhcpcd-<interface>.exefeature, it is strongly recommended you upgrade the dhcpcd package.
rpm -Uvh dhcpcd.rpm
Please restart the dÆmon after the update with
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