SUSE: 2023:4663-1 critical: frr denial of service issues
suse
December 6, 2023
* bsc#1216896 * bsc#1216897 * bsc#1216899 * bsc#1216900
Summary
## This update for frr fixes the following issues: * CVE-2023-47235: Fixed denial of service caused by malformed BGP UPDATE message with an EOR is processed (bsc#1216896). * CVE-2023-47234: Fixed denial of service caused by crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute (bsc#1216897). * CVE-2023-38407: Fixed read beyond the end of the stream during labeled unicast parsing (bsc#1216899). * CVE-2023-38406: Fixed mishandling of nlri length of zero, aka a "flowspec overflow (bsc#1216900). ## 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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4663=1 openSUSE-SLE-15.5-2023-4663=1
Topics Covered
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:
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Severity
important
Lowest
Low
Medium
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Critical
Announcement ID: SUSE-SU-2023:4663-1
Rating: important
Topics Covered
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