Bug 2246381 (CVE-2023-46753) - CVE-2023-46753 frr: crafted BGP UPDATE message leading to a crash
Summary: CVE-2023-46753 frr: crafted BGP UPDATE message leading to a crash
Keywords:
Status: NEW
Alias: CVE-2023-46753
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2246913
Blocks: 2246378
TreeView+ depends on / blocked
 
Reported: 2023-10-26 13:18 UTC by ybuenos
Modified: 2024-04-30 09:42 UTC (History)
0 users

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).
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:2156 0 None None None 2024-04-30 09:42:12 UTC

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
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