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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


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