CVE-2022-2529

Multiple DoS Attack Vectors in sflow packet handling

Description

sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.

Remediation

Solution:

  • Upgrade goflow at least to version 3.4.4

Workaround:

  • Make sure that the goflow collector is not publicly reachable.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.30%
Third-Party Advisory github.com
Affected: Cloudflare goflow
Published at:
Updated at:

References

Link Tags
https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-2529?
CVE-2022-2529 has been scored as a high severity vulnerability.
How to fix CVE-2022-2529?
To fix CVE-2022-2529: Upgrade goflow at least to version 3.4.4
Is CVE-2022-2529 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2529 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-2529?
CVE-2022-2529 affects Cloudflare goflow.
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