drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in dhcp
Name: |
Denial of Service in dhcp |
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ID: |
SUSE-SU-2021:1822-1 |
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Distribution: |
SUSE |
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Plattformen: |
SUSE OpenStack Cloud Crowbar 8, SUSE HPE Helion Openstack 8, SUSE OpenStack Cloud 8, SUSE Linux Enterprise Server for SAP 12-SP3, SUSE Linux Enterprise Server 12-SP2-BCL, SUSE Linux Enterprise Server for SAP 12-SP4, SUSE OpenStack Cloud 9, SUSE OpenStack Cloud Crowbar 9, SUSE Linux Enterprise Server 12-SP3-LTSS, SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Software Development Kit 12-SP5, SUSE Linux Enterprise Server 12-SP3-BCL, SUSE Linux Enterprise Server 12-SP4-LTSS |
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Datum: |
Di, 1. Juni 2021, 22:29 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25217 |
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Applikationen: |
ISC DHCP |
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Originalnachricht |
SUSE Security Update: Security update for dhcp ______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1822-1 Rating: important References: #1186382 Cross-References: CVE-2021-25217 CVSS scores: CVE-2021-25217 (SUSE): 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected Products: SUSE OpenStack Cloud Crowbar 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud 8 SUSE Linux Enterprise Software Development Kit 12-SP5 SUSE Linux Enterprise Server for SAP 12-SP4 SUSE Linux Enterprise Server for SAP 12-SP3 SUSE Linux Enterprise Server 12-SP5 SUSE Linux Enterprise Server 12-SP4-LTSS SUSE Linux Enterprise Server 12-SP3-LTSS SUSE Linux Enterprise Server 12-SP3-BCL SUSE Linux Enterprise Server 12-SP2-BCL HPE Helion Openstack 8 ______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for dhcp fixes the following issues:
- CVE-2021-25217: A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382)
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 OpenStack Cloud Crowbar 9:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1822=1
- SUSE OpenStack Cloud Crowbar 8:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1822=1
- SUSE OpenStack Cloud 9:
zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1822=1
- SUSE OpenStack Cloud 8:
zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1822=1
- SUSE Linux Enterprise Software Development Kit 12-SP5:
zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1822=1
- SUSE Linux Enterprise Server for SAP 12-SP4:
zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1822=1
- SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1822=1
- SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1822=1
- SUSE Linux Enterprise Server 12-SP4-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1822=1
- SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1822=1
- SUSE Linux Enterprise Server 12-SP3-BCL:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1822=1
- SUSE Linux Enterprise Server 12-SP2-BCL:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-1822=1
- HPE Helion Openstack 8:
zypper in -t patch HPE-Helion-OpenStack-8-2021-1822=1
Package List:
- SUSE OpenStack Cloud Crowbar 9 (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE OpenStack Cloud Crowbar 8 (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE OpenStack Cloud 9 (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE OpenStack Cloud 8 (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64):
dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-devel-4.3.3-10.22.1
- SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
- HPE Helion Openstack 8 (x86_64):
dhcp-4.3.3-10.22.1 dhcp-client-4.3.3-10.22.1 dhcp-client-debuginfo-4.3.3-10.22.1 dhcp-debuginfo-4.3.3-10.22.1 dhcp-debugsource-4.3.3-10.22.1 dhcp-relay-4.3.3-10.22.1 dhcp-relay-debuginfo-4.3.3-10.22.1 dhcp-server-4.3.3-10.22.1 dhcp-server-debuginfo-4.3.3-10.22.1
References:
https://www.suse.com/security/cve/CVE-2021-25217.html https://bugzilla.suse.com/1186382
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