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High CPU Utilization

Nathan | Last updated: May 23, 2019 04:17PM UTC

I am seeing an extremely high usage on my CPU in burpsuite. I am also seeing the RAM consumption go up to 16-17GB in a session. I am in the middle of a test of an API for a client. I can kill burp and then reload it. Then it is okay for about 15-20 minutes before returning to high usage. Let me know what you need to determine what might be causing this issue.

Burp User | Last updated: May 23, 2019 04:17PM UTC

I forgot to mention that I am using version 2.0.21beta Extensions in Use: Error Message Checks NGINX Alias Traversal Scan Check Builder Refelcted Parameters JSON Beautifier JSON Web Tokens Freddy, Deserialization Bug Finder Active Scan++ Autorize Param Miner Backslash Powered Scanner

Burp User | Last updated: May 23, 2019 07:53PM UTC

**Update** I have noticed that if I disable the the default live passive crawl and live audit, then I am not seeing the same issues with high CPU and RAM usage.

Liam, PortSwigger Agent | Last updated: May 24, 2019 02:26PM UTC

Nate, do you have performance feedback enabled (User options > Misc > Performance feedback)? If so, could you provide us with your diagnostics (Help > Diagnostics)?

Burp User | Last updated: May 29, 2019 01:56PM UTC

I updated to the latest version and still seeing the same issue, even when using intruder.

Burp User | Last updated: May 30, 2019 03:02PM UTC

Yes, I do have it enabled and will send an email with the diagnostics.

Liam, PortSwigger Agent | Last updated: May 30, 2019 03:22PM UTC

Thanks Nate. We'll investigate and let you know when we've made some progress.

Rose, PortSwigger Agent | Last updated: Jun 27, 2019 08:54AM UTC