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Cloudflare has disclosed a cross-tenant data exposure vulnerability in Containers and Sandboxes, caused by thin-provisioned storage pools configured to skip zeroing reused blocks.
Summary
Researchers recovered directory structures, database pages and complete SQLite databases across four continents. Cloudflare remediated it and found no evidence of exploitation.
This is a brief wire summary, the full story (linked below) has the complete details.
KazaSec's take
A newly disclosed vulnerability is only a real risk to your organization once it's confirmed present and exploitable in your own environment, not every CVE applies equally to every network. Knowing the difference is exactly what a proper vulnerability assessment is for.
Coverage details
We've archived 590 other articles touching the same topic (devops, multi-tenancy, cloudflare) , see the full security news archive.
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