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Exploit in libPNG

this is quite huge :O still...if it doesn't even run a hello world program..won't do nothing...and according to what I read it only makes the PSP crash
 
Someone sent this in a few days ago but I never reported on it because I'd hate to get users hopes up for nothing.

The exploit, only creates a DoS condition, which could be used to crash a program. It cannot run any arbitrary code, and that's why it is classified as a Low Risk.
 
x3sphere said:
Someone sent this in a few days ago but I never reported on it because I'd hate to get users hopes up for nothing.

The exploit, only creates a DoS condition, which could be used to crash a program. It cannot run any arbitrary code, and that's why it is classified as a Low Risk.
Click to expand...

Which is why it can't be used for a downgrader. You need a buffer overflow exploit for a downgrader.
 
Yes this exploit cannot be used to run proper code on a psp, beside even if it could you cannot code a downgrader with only a user mode exploit, you need a priviledge escalation exploit that allows to run kernel mode code from the user mode exploit you'd possibly find, otherwise, no downgrader.
 
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