CVE-2023-38802
HIGHFRRouting 7.5.1-9.0 - Denial of Service via Corrupted BGP Tunnel Encapsulation Attribute
Title source: llmDescription
FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).
References (7)
Core 7
Core References
Exploit, Technical Description, Third Party Advisory
https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
Third Party Advisory
https://news.ycombinator.com/item?id=37305800
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5495
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
Mailing List vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
Scores
CVSS v3
7.5
EPSS
0.0144
EPSS Percentile
69.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-354
Status
published
Products (8)
debian/debian_linux
10.0
debian/debian_linux
11.0
debian/debian_linux
12.0
fedoraproject/fedora
37
fedoraproject/fedora
38
fedoraproject/fedora
39
frrouting/frrouting
7.5.1 - 9.0
pica8/picos
4.3.3.2
Published
Aug 29, 2023
Tracked Since
Feb 18, 2026