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Advanced Encryption Package Buffer Overflow - Denial of Service
[Dear List,
Greetings from vishnu (@dH4wk)
1. Vulnerable Product
- Advanced Encryption Package
- Company http://www.aeppro.com/
2. Vulnerability Information
(A) Buffer OverFlow
Impact: Attacker gains administrative access
Remotely Exploitable: No
Locally Exploitable: Yes
3. Vulnerability Description
A 1006 byte causes the overflow. It is due to the inefficient/improper
handling of exception. This is an SEH based stack overflow and is
exploitable..
4. Reproduction:
It can be reproduced by pasting 1006 "A"s or any characters in the
field where the key file is asked during encryption of "*TEXT TO ENCRYPT *"
tab..
*Windbg Output*
==============================================================
(a34.a38): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** ERROR: Module load completed but symbols could not be loaded for
image00000000`00400000
image00000000_00400000+0x19c0:
004019c0 f00fc108 lock xadd dword ptr [eax],ecx
ds:002b:4141413d=????????
(a34.a38): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
41414141 ??
==============================================================
Regards,
Vishnu Raju.
# 0day.today [2024-12-25] #