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ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

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Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#3

> August 17 2021 - MSRC awarded $40,000 bounty for the report. I don't know much about the bug bounty industry, is this the typical payout from what it seems to be a pretty severe vulnerability?

Yes, quite large. Next HN will say how many billions they could afford to pay because of all the potential damage. If it's hard to make sense, the security guard at the bank doesn't get paid a % of the money if they stop a robbery and many other examples off payout being way less than potential damage caused.

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#4

> August 17 2021 - MSRC awarded $40,000 bounty for the report. I don't know much about the bug bounty industry, is this the typical payout from what it seems to be a pretty severe vulnerability?

Yes. A competent researcher deciding to investigate their products can reasonably be expected to find a new, unique vulnerability of this severity given a few weeks to maybe a month of effort. At a standard consulting rate that amounts to a few thousand to low tens of thousands of dollars, so a $40,000 payout is a fair amount for the amount of effort and difficulty to find a bug that totally invalidates the security of a major service by a top, world class cloud provider.

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#6

> August 17 2021 - MSRC awarded $40,000 bounty for the report. I don't know much about the bug bounty industry, is this the typical payout from what it seems to be a pretty severe vulnerability?

The part that's contraversial about the MS bounties is that they stopped covering the majority of on-premise products.

For example, person that reported the two major Microsoft Exchange vulnerability chains received no payout at all.

Ref: https://i.blackhat.com/USA21/Wednesday-Handouts/us-21-ProxyL...

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#7
post #6

> August 17 2021 - MSRC awarded $40,000 bounty for the report. I don't know much about the bug bounty industry, is this the typical payout from what it seems to be a pretty severe vulnerability?

The part that's contraversial about the MS bounties is that they stopped covering the majority of on-premise products. For example, person that reported the two major Microsoft Exchange vulnerability chains received no payout at all. Ref: https://i.blackhat.com/USA21/Wednesday-Handouts/us-21-ProxyL...

MS is pretty bad about vulnerability bounties. I reported one about privilege escalation on WSL1 and received no response plus it was patched within the following months. Was a bit aggravated.

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#8
post #3

> August 17 2021 - MSRC awarded $40,000 bounty for the report. I don't know much about the bug bounty industry, is this the typical payout from what it seems to be a pretty severe vulnerability?

Yes, quite large. Next HN will say how many billions they could afford to pay because of all the potential damage. If it's hard to make sense, the security guard at the bank doesn't get paid a % of the money if they stop a robbery and many other examples off payout being way less than potential damage caused.

That's a bad faith comparison, and I don't really see the relation between the two.

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#9
There’s facinating number of places where, if implemented correctly, this attack could have been prevented.

Given that much of attack is related to rhings not exclusive it CosmosDB, firewall, internal service and certificate, it’s likely that other services may be at risk as well.

Generally, because so many flaws are involved, this cannot be easy to fix.

Re: ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough

#10
I had several absolutely awful experiences with CosmosDB even before this breach. Its design and engineering are the worst I've encountered on Azure or anywhere else that I remember.

This vulnerability, and especially its handling by Microsoft, were the final nail in the coffin for us and we've put in the effort to migrate away.

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