HIGH · 7.5

CVE-2023-41909

An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

Vulnerability Description

An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
FrroutingFrrouting<= 9.0
DebianDebian Linux10.0
FedoraprojectFedora37

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-41909?

CVE-2023-41909 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

How severe is CVE-2023-41909?

CVE-2023-41909 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-41909?

Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting, Debian Debian Linux, Fedoraproject Fedora.