Bug 2246381 (CVE-2023-46753)

Summary: CVE-2023-46753 frr: crafted BGP UPDATE message leading to a crash
Product: [Other] Security Response Reporter: ybuenos
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Fixed In Version: frr 9.0.1 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in FRRouting. A crash can occur for a crafted BGP UPDATE message without mandatory attributes (for example, one with only an unknown transit attribute).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2246913    
Bug Blocks: 2246378    

Description ybuenos 2023-10-26 13:18:54 UTC
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur for a crafted BGP UPDATE message without mandatory attributes, e.g., one with only an unknown transit attribute.

https://github.com/FRRouting/frr/pull/14645/commits/d8482bf011cb2b173e85b65b4bf3d5061250cdb9

Comment 2 Sandipan Roy 2023-10-30 05:03:57 UTC
Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2246913]

Comment 3 errata-xmlrpc 2024-04-30 09:42:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2156 https://access.redhat.com/errata/RHSA-2024:2156

Comment 4 errata-xmlrpc 2024-05-22 09:24:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:2981 https://access.redhat.com/errata/RHSA-2024:2981