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Change your passwords and 2FA on a bucketload of sites because of 1139 – cloudflare: Cloudflare Reverse Proxies are Dumping Uninitialized Memory – project-zero – Monorail

Posted by jpluimers on 2017/02/25

There are many sites potentially affected by the recently uncovered cloudflare memory leak bug below.

Read this list to get an impression: [WayBacksites-using-cloudflare/README.md at master · pirate/sites-using-cloudflare

Basically you should change your passwords, 2FA authorisations and any other security hooks going through these sites. There are 1000s of them, including many major sites.

The reason for being so cautious is that the leaks have been cached on many systems, including Google Search. Many providers have scrubbed caches, but the information could still be in some caches, or the caches of end-user machines.

Background reading:

–jeroen

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