openSUSE-SU-2018:0537-1: moderate: Security update for dhcp

openSUSE Security Update: Security update for dhcp ______________________________________________________________________________ Announcement ID: openSUSE-SU-2018:0537-1 Rating: moderate References: #1023415 #1059061 #1073935 #1076119 #987170 Cross-References: CVE-2017-3144 Affected Products: openSUSE Leap 42.3 ______________________________________________________________________________ An update that solves one vulnerability and has four fixes is now available. Description: This update for dhcp fixes several issues. This security issue was fixed: - CVE-2017-3144: OMAPI code didn't free socket descriptors when empty message is received allowing DoS (bsc#1076119). These non-security issues were fixed: - Optimized if and when DNS client context and ports are initted (bsc#1073935) - Relax permission of dhclient-script for libguestfs (bsc#987170) - Modify dhclient-script to handle static route updates (bsc#1023415). - Use only the 12 least significant bits of an inbound packet's TCI value as the VLAN ID to fix some packages being wrongly discarded by the Linux packet filter. (bsc#1059061) This update was imported from the SUSE:SLE-12-SP1:Update update project. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE Leap 42.3: zypper in -t patch openSUSE-2018-207=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.3 (i586 x86_64): dhcp-4.3.3-11.3.1 dhcp-client-4.3.3-11.3.1 dhcp-client-debuginfo-4.3.3-11.3.1 dhcp-debuginfo-4.3.3-11.3.1 dhcp-debugsource-4.3.3-11.3.1 dhcp-devel-4.3.3-11.3.1 dhcp-doc-4.3.3-11.3.1 dhcp-relay-4.3.3-11.3.1 dhcp-relay-debuginfo-4.3.3-11.3.1 dhcp-server-4.3.3-11.3.1 dhcp-server-debuginfo-4.3.3-11.3.1 References: https://www.suse.com/security/cve/CVE-2017-3144.html https://bugzilla.suse.com/1023415 https://bugzilla.suse.com/1059061 https://bugzilla.suse.com/1073935 https://bugzilla.suse.com/1076119 https://bugzilla.suse.com/987170