BGP Processing Vulnerability in FRRouting FRR by FRRouting
CVE-2023-47235

7.5HIGH

Key Information:

Vendor

Frrouting

Status
Frrouting
Vendor
CVE Published:
3 November 2023

What is CVE-2023-47235?

A vulnerability in FRRouting FRR allows for potential crashes when a malformed BGP UPDATE message, accompanied by an End-Of-RIB (EOR) marker, is processed. This is due to improper handling of the EOR, which fails to trigger a treat-as-withdraw behavior, leading to unexpected system instability. This issue has been identified in versions up to 9.0.1 of FRRouting FRR.

References

https://github.com/FRRouting/frr/pull/14716/commits/6814f...
https://lists.debian.org/debian-lts-announce/2024/04/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

.