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SUSE: 2021:14740-1 Important: dhcp Buffer Overflow Risk Fix

suse
Calendar Grey June 1, 2021
Dist Suse Esm H88
Urgent notification regarding SUSE DHCP addressing buffer overflow vulnerability. Apply suggested patches immediately to safeguard your systems.
An update that fixes one vulnerability is now available

Summary

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 Linux Enterprise Server 11-SP4-LTSS: zypper in -t patch slessp4-dhcp-14740=1 - SUSE Linux Enterprise Point of Sale 11-SP3: zypper in -t patch sleposp3-dhcp-14740=1 - SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-dhcp-14740=1 - SUSE Linux Enterprise Debuginfo 11-SP3: zypper in -t patch dbgsp3-dhcp-14740=1 Package List:

Topics%20covered

Topics Covered

security advisory buffer overflow patch important fix SUSE dhcp

References

#1186382

Cross- 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 Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Point of Sale 11-SP3

SUSE Linux Enterprise Debuginfo 11-SP4

SUSE Linux Enterprise Debuginfo 11-SP3

https://www.suse.com/security/cve/CVE-2021-25217.html

https://bugzilla.suse.com/1186382

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:14740-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow patch important fix SUSE dhcp

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