SUSE Security Update: Security update for wicked
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Announcement ID:    SUSE-SU-2020:0351-1
Rating:             important
References:         #1142214 #1160903 #1160904 #1160905 #1160906 
                    
Cross-References:   CVE-2019-18902 CVE-2019-18903 CVE-2020-7216
                    CVE-2020-7217
Affected Products:
                    SUSE Linux Enterprise Server 12-SP5
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   An update that solves four vulnerabilities and has one
   errata is now available.

Description:

   This update for wicked fixes the following issues:

   Security issues fixed:

   - CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6
     client options (bsc#1160903).
   - CVE-2019-18903: Fixed a use-after-free when receiving invalid DHCP6
     IA_PD option (bsc#1160904).
   - CVE-2020-7216: Fixed a potential denial of service via a memory leak
     when processing packets with missing message type option in DHCP4
     (bsc#1160905).
   - CVE-2020-7217: Fixed a memory leak in DHCP4 fsm when processing packets
     for other client ids (bsc#1160906).

   Non-security issue fixed:

   - dhcp4: Fixed an intermittent hang during network setup by cleaning up
     the defer timer pointer (bsc#1142214).


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-351=1



Package List:

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      wicked-0.6.60-3.5.1
      wicked-debuginfo-0.6.60-3.5.1
      wicked-debugsource-0.6.60-3.5.1
      wicked-service-0.6.60-3.5.1


References:

   https://www.suse.com/security/cve/CVE-2019-18902.html
   https://www.suse.com/security/cve/CVE-2019-18903.html
   https://www.suse.com/security/cve/CVE-2020-7216.html
   https://www.suse.com/security/cve/CVE-2020-7217.html
   https://bugzilla.suse.com/1142214
   https://bugzilla.suse.com/1160903
   https://bugzilla.suse.com/1160904
   https://bugzilla.suse.com/1160905
   https://bugzilla.suse.com/1160906

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