SUSE Linux Enterprise 12-SP1: SUSE-SU-2020:0358-1 Critical Wicked DoS Bugs
suse
February 7, 2020
An update that solves four vulnerabilities and has one errata is now available
Summary
This update for wicked fixes the following issues: - 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). 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 for SAP 12-SP1:
References
#1142214 #1160903 #1160904 #1160905 #1160906
Cross- CVE-2019-18902 CVE-2019-18903 CVE-2020-7216
CVE-2020-7217
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP1
SUSE Linux Enterprise Server 12-SP1-LTSS
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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Severity
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Announcement ID: SUSE-SU-2020:0358-1
Rating: important
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