High severity · published Aug 29, 2023
CVE-2023-38802
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…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0; 12.0 · source: NVD
FE
Fedora · Fedoraproject
37; 38; 39 · source: NVD
FR
Frrouting · Frrouting
7.5.1 through 9.0 · source: NVD
PI
Picos · Pica8
4.3.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38802
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38802
Exploit
https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
Mailing List
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/
Third Party Advisory
https://news.ycombinator.com/item?id=37305800
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