CVE-2023-31490: An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function

High severity · published May 9, 2023

CVE-2023-31490

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function

7.5

CVSS

2.2%

EPSS

On KEV

Description

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.

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)2.2% · higher than 82% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

10.0; 11.0; 12.0 · source: NVD

Fedora · Fedoraproject

37; 38; 39 · source: NVD

Frrouting · Frrouting

8.4.2 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-31490

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-31490

Exploit

https://github.com/FRRouting/frr/issues/13099

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://www.debian.org/security/2023/dsa-5495