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SUSE: 2024:2245-1 Important: frr Networking Crash Fixes

suse
Calendar Grey June 28, 2024
Dist Suse Esm H88
A critical revision for frr addresses several problems. Confirm that your system is fortified with the most recent updates and guidance.
* bsc#1216896 * bsc#1216897 * bsc#1216899 * bsc#1216900

Summary

## This update for frr fixes the following issues: * CVE-2023-38406: Fixed nlri length of zero mishandling, aka "flowspec overflow". (bsc#1216900) * CVE-2023-47235: Fixed a crash on malformed BGP UPDATE message with an EOR, because the presence of EOR does not lead to a treat-as-withdraw outcome. (bsc#1216896) * CVE-2023-47234: Fixed a crash on crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data. (bsc#1216897) * CVE-2023-38407: Fixed attempts to read beyond the end of the stream during labeled unicast parsing. (bsc#1216899) ## Patch Instructions: To install this SUSE 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 Manager Proxy 4.3

Topics%20covered

Topics Covered

security advisory security update buffer overflow important SUSE networking issue frr

References

* bsc#1216896

* bsc#1216897

* bsc#1216899

* bsc#1216900

Cross-

* CVE-2023-38406

* CVE-2023-38407

* CVE-2023-47234

* CVE-2023-47235

CVSS scores:

* CVE-2023-38406 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-38406 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-38407 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-38407 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-47234 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-47234 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-47235 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-47235 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:2245-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update buffer overflow important SUSE networking issue frr

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