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Worm.Win32.Runfer.bpo MVID-2021-0365 Unquoted Service Path

Worm.Win32.Runfer.bpo MVID-2021-0365 Unquoted Service Path
Posted Oct 18, 2021
Authored by malvuln | Site malvuln.com

Worm.Win32.Runfer.bpo malware suffers from an unquoted service path vulnerability.

tags | exploit, worm
systems | windows
SHA-256 | 9d2e42db6c8b0c1c3c815f80e4dcd39a8ffea6d4052a9be855f5368f9beb2d97

Worm.Win32.Runfer.bpo MVID-2021-0365 Unquoted Service Path

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Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ae4c226ad974c990391217f31db2a209.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Worm.Win32.Runfer.bpo
Vulnerability: Insecure Service Path
Description: The malware creates a service with an unquoted path. Third party attackers who can place an arbitrary executable under c:\ drive can potentially undermine the integrity of the malware by having it run theirs instead with SYSTEM privs.
Type: PE32
MD5: ae4c226ad974c990391217f31db2a209
Vuln ID: MVID-2021-0365
Disclosure: 10/15/2021

Exploit/PoC:
C:\>sc qc asp.net
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: asp.net
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 0 IGNORE
BINARY_PATH_NAME : C:\Program Files\Common Files\Microsoft Shared\MSINFO\asp.net
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : asp.net
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem


Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).
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