Unmasking Microsoft’s Cybersecurity Adventure: The Abandoned URL Escapade

Unmasking Microsoft’s Cybersecurity Adventure: The Abandoned URL Escapade

Microsoft Embraces “Lost and Found” in Cybersecurity: The Abandoned URL Case

Summary of Main Points

  • A case of privilege escalation has been discovered linked to a Microsoft Entra ID application
  • The cybersecurity flaw was due to an abandoned reply URL that could be exploited by attackers
  • An attacker could utilize this URL to redirect authorization codes to themselves for malicious ends

A New Twist in the Cybersecurity Saga: The Microsoft Entra ID Case

What’s more exciting than an abandoned URL that could open the door to unauthorized access? Nothing if you’re a cybersecurity geek. This adventure is brought to you by none other than Microsoft, with its Entra ID application (previously known as Azure Directory). It’s like finding a hidden level in your favorite video game, except the stakes are much higher, my tech-brethren!

The Abandoned URL: The Cybersecurity World’s “Lost and Found”

The abandoned reply URL was the underlying issue that tipped off the cybersecurity researchers. Imagine if you left your home unattended with the front door wide open…this URL was like that – ready for any online trickster to break in. Sound scary? Well, buckle up because the ride has just started.

The Exploitation: The Scary Part of This Adventure

So, in this modern era, an abandoned URL is more than just a cyber ghost town. Secureworks Counter Threat Unit warns, “an attacker could leverage this abandoned URL to redirect authorization codes to themselves, exchanging the ill-gotten authorization codes for access tokens”. What might this mean? Imagine the hacker gets the keys to your digital home and can walk right in by simply exchanging the stolen keys for an entrance pass. Spooky, huh?


To put it short and sweet, the Microsoft Entra ID application had an abandoned URL, which is like leaving your car keys in a misplaced jacket at a party. Any cyber actor could come along and use this to redirect authorization codes to themselves, gain access tokens and slide their way into unauthorized spaces. It’s like a plot for a high-stakes spy movie, but instead of nifty gadgetry and dramatic car chases, we’re knee-deep in code and URL redirects! So, let’s end it on a light note: why don’t computer programmers like nature? It has too many bugs!

Original Article: https://thehackernews.com/2023/08/experts-uncover-how-cybercriminals.html

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