Notepad++ < 7.7 (x64) - Denial of Service
# Exploit Title: Notepad++ all x64 versions before 7.7. Remote memory corruption via .ml file. # Google Dork: N/A # Date: 2019-09-14 # Exploit Author: Bogdan Kurinnoy (b.kurinnoy@gmail.com) # Vendor Homepage: https://notepad-plus-plus.org/ # Version: < 7.7 # Tested on: Windows x64 # CVE : CVE-2019-16294 # Description: SciLexer.dll in Scintilla in Notepad++ (x64) before 7.7 allows remote code execution or denial of service via Unicode characters in a crafted .ml file. Open aaaaa.ml via affected notepad++ POC files: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/47393.zip Result: (230.c64): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files\Notepad++\SciLexer.dll - rax=00007ff8e64014c0 rbx=00000000000aaaaa rcx=00000000000aaaaa rdx=0000000000000003 rsi=0000000000000000 rdi=00000000ffffffff rip=00007ff8e63c071d rsp=000000aa06463d60 rbp=000000aa06463e81 r8=0000000000002fc8 r9=0000000000000000 r10=000000000000fde9 r11=000000aa06463d90 r12=0000000000000000 r13=0000000000000000 r14=0000000000000001 r15=0000000000000002 iopl=0 nv up ei pl zr na po nc cs=0033 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246 SciLexer!Scintilla_DirectFunction+0x950dd: 00007ff8e63c071d 0fb70458 movzx eax,word ptr [rax+rbx*2] ds:00007ff8e6556a14=???? |