Security Now - 16k MP3

SN865: Port Knocking


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This week we examine a critical Java framework flaw that's been named "Spring4Shell" because it's mildly reminiscent of Java's recent "Log4J" problem. We'll also take a look at the popular QNAP NAS devices and several recent security troubles there. Sophos has got themselves an attention grabbing must patch now 9.8 CVSS vulnerability and it didn't take long (10-days) for the theoretical Browser-in-the-Browser spoof to become non-theoretical. There's more worrisome news on the NPM supply-chain package manager exploitation nightmare, the FinFisher spyware firm happily bites the dust, and some of the young hackers forming the Lapsus$ gang have been identified. Squarely in the doghouse this week is WYZE whose super-popular webcams have problems which are just as serious as those of the company itself... and, oh!, the authentication bypass details, which I'll share, are SO wonderful! Then after a bit of closing-the-loop feedback with our listeners, I want to talk about and put the idea of "Strong Service Concealment" on everyone's radar. "Port Knocking" is not a new idea by any means. But it is extremely clever, cool and useful. In today's world, there's more reason than ever for ports and the services behind them that are not actively soliciting public traffic to be kept completely hidden. There are a number of ways this can be done which are very cool.
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Security Now - 16k MP3By TWiT