CVE-2025-43972
GoBGP FlowSpec Parser Denial of Service
Description
An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.
INFO
Published Date :
April 21, 2025, 1:15 a.m.
Last Modified :
May 8, 2025, 3:54 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-43972.
| URL | Resource |
|---|---|
| https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a | Patch |
| https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0 | Patch Release Notes |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-43972 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-43972 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 08, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-1284 Added CPE Configuration OR *cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:* versions up to (excluding) 3.35.0 Added Reference Type MITRE: https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a Types: Patch Added Reference Type MITRE: https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0 Types: Patch, Release Notes -
CVE Modified by [email protected]
Apr. 21, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H Added CWE CWE-1284 -
New CVE Received by [email protected]
Apr. 21, 2025
Action Type Old Value New Value Added Description An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context. Added Reference https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a Added Reference https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-43972 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-43972
weaknesses.