Vulnerabilities (Page 18)

Type confusion in Windows COM+ Event System Service [CVE-2022-41033]

Another type confusion spawned from the usage of unions.This bug occurred in the COM+ (Component Object Model) event system services’ InMemoryRegRow::PutPropertyBag() method when handling PROPVARIANT objects (a generic container object that can hold integers or COM pointers)…

 

Information and PoC about the ENLBufferPwn vulnerability

Straight-forward issue, but kinda fun as it impacts the network code in several first-part Nintendo games across multiple consoles (3DS, Wii U, Switch).The NetworkBuffer in the network library has two methods Add and Set which are used to fill the backing buffer with data from the network…

 

Exploiting null-dereferences in the Linux kernel

The last time we covered a “how to exploit a null-deref in the modern era” post we were…disappointed (and potentially attacked by North Korea but that’s another story), this one is legit. Rather than focusing on the null-deref as the core memory corruption though, it abuses the handling of the null-dereference with a kernel oops and the side-effects of the oops to overflow a reference count.