Reachable Assertion in Frrouting BGP Daemon by FRRouting
CVE-2022-36440

7.5HIGH

Key Information:

Vendor

Frrouting

Status
Frrouting
Vendor
CVE Published:
3 April 2023

What is CVE-2022-36440?

A reachable assertion vulnerability has been identified in the FRRouting BGP daemon (frr-bgpd) version 8.3.0. This flaw is located within the peek_for_as4_capability function, where attackers can craft malicious BGP open packets and transmit them to BGP peers running the affected software. Successful exploitation could lead to denial-of-service (DoS) conditions, impacting network reliability and performance.

References

https://github.com/spwpun/pocs
https://github.com/spwpun/pocs/blob/main/frr-bgpd.md
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

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

.