Security update for frr

2024-06-2811:20:05

Google

osv.dev

frr

security update

cve-2023-38406

cve-2023-47235

cve-2023-47234

cve-2023-38407

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

Low

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)