Bug 2248526 (CVE-2023-38406) - CVE-2023-38406 ffr: Flowspec overflow in bgpd/bgp_flowspec.c
Summary: CVE-2023-38406 ffr: Flowspec overflow in bgpd/bgp_flowspec.c
Keywords:
Status: NEW
Alias: CVE-2023-38406
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: 2248527 2249073
Blocks: 2248211
TreeView+ depends on / blocked
 
Reported: 2023-11-07 14:39 UTC by Pedro Sampaio
Modified: 2024-03-05 18:01 UTC (History)
0 users

Fixed In Version: ffr 8.4.3
Doc Type: ---
Doc Text:
A flaw was found in bgpd/bgp_flowspec.c in the FFrouting BGP protocol code. An overflow may occur while processing zero length NLRI messages.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:0130 0 None None None 2024-01-10 11:27:11 UTC
Red Hat Product Errata RHSA-2024:0477 0 None None None 2024-01-24 16:32:04 UTC
Red Hat Product Errata RHSA-2024:0574 0 None None None 2024-01-30 13:20:57 UTC
Red Hat Product Errata RHSA-2024:1093 0 None None None 2024-03-05 08:19:23 UTC
Red Hat Product Errata RHSA-2024:1113 0 None None None 2024-03-05 15:04:36 UTC
Red Hat Product Errata RHSA-2024:1152 0 None None None 2024-03-05 18:01:33 UTC

Description Pedro Sampaio 2023-11-07 14:39:51 UTC 
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

References:

https://github.com/FRRouting/frr/pull/12884
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3
Comment 2 Sandipan Roy 2023-11-10 14:35:17 UTC 
Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2249073]
Comment 3 errata-xmlrpc 2024-01-10 11:27:10 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 4 errata-xmlrpc 2024-01-24 16:32:03 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 5 errata-xmlrpc 2024-01-30 13:20:55 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 6 errata-xmlrpc 2024-03-05 08:19:21 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 7 errata-xmlrpc 2024-03-05 15:04:35 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 8 errata-xmlrpc 2024-03-05 18:01:32 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
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