Security Flaw in FRRoute's BGP Protocol Implementation
CVE-2023-41358

7.5HIGH

Key Information:

Vendor

Frrouting

Status
Frrouting
Vendor
CVE Published:
29 August 2023

What is CVE-2023-41358?

A vulnerability has been identified in the FRRouting implementation, specifically in the bgpd component. The issue arises when the attribute length for NLRIs (Network Layer Reachability Information) is processed as zero. This flaw can lead to unexpected behavior in the handling of routing information, potentially impacting network stability and integrity. It is critical for administrators and network engineers using affected versions of FRRouting to review the updates and apply necessary patches to mitigate any potential exploitation risks associated with this vulnerability.

References

https://github.com/FRRouting/frr/pull/14260
https://www.debian.org/security/2023/dsa-5495
vendor-advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.