Bug 2248207 (CVE-2023-47235)

Summary: CVE-2023-47235 frr: crash from malformed EOR-containing BGP UPDATE message
Product: [Other] Security Response Reporter: Anten Skrabec <askrabec>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, eglynn, jburrell, jjoyce, jschluet, lhh, mburns, mgarciac, pgrist, rogbas, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: frr 9.0.1 Doc Type: If docs needed, set a value
Doc Text:
An issue was found in FRRouting FRR, where a crash may occur when processing a malformed BGP UPDATE message with an EOR.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2248214, 2249071    
Bug Blocks: 2248211    

Description Anten Skrabec 2023-11-06 20:00:35 UTC
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.

https://github.com/FRRouting/frr/pull/14716/commits/6814f2e0138a6ea5e1f83bdd9085d9a77999900b

Comment 3 Sandipan Roy 2023-11-10 14:34:11 UTC
Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2249071]

Comment 5 errata-xmlrpc 2024-01-10 11:27:07 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0130 https://access.redhat.com/errata/RHSA-2024:0130

Comment 6 errata-xmlrpc 2024-01-24 16:32:00 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0477 https://access.redhat.com/errata/RHSA-2024:0477

Comment 7 errata-xmlrpc 2024-01-30 13:20:51 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:0574 https://access.redhat.com/errata/RHSA-2024:0574

Comment 8 errata-xmlrpc 2024-03-05 08:19:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1093 https://access.redhat.com/errata/RHSA-2024:1093

Comment 9 errata-xmlrpc 2024-03-05 15:04:31 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1113 https://access.redhat.com/errata/RHSA-2024:1113

Comment 10 errata-xmlrpc 2024-03-05 18:01:30 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:1152 https://access.redhat.com/errata/RHSA-2024:1152