Advertisement / Insecure Permissions

CVE Category Price Severity
CWE-XXXX $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2021-02-26
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H 0.81678 0.94642

CVSS vector description

Our sensors found this exploit at:

Below is a copy: / Insecure Permissions
Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Vulnerability: Insecure Permissions 
Description: The trojan creates an insecure dir named "Korektor_MPiPS-01" under c:\ drive, granting change (C) permissions to the authenticated user group. Standard users can rename the malware and reboot to disable it or replace with their own executable to escalate privileges when a privileged user logs on to the infected machine.
Type: PE32
MD5: 5ea9840970e78188f73eb1763363eeac
Vuln ID: MVID-2021-0114
Disclosure: 02/25/2015

C:\>cacls \Korektor_MPiPS-01
C:\Korektor_MPiPS-01 BUILTIN\Administrators:(OI)(CI)(ID)F
                     NT AUTHORITY\SYSTEM:(OI)(CI)(ID)F
                     NT AUTHORITY\Authenticated Users:(ID)C
                     NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C

C:\>dir Korektor_MPiPS-01
 Volume in drive C has no label.

 Directory of C:\Korektor_MPiPS-01

02/25/2021  10:46 PM    <DIR>          .
02/25/2021  10:46 PM    <DIR>          ..
03/05/2019  12:09 PM         1,096,704 Asystent.exe
02/25/2021  10:46 PM                56 Asystent.ini
02/25/2021  10:46 PM    <DIR>          DBF
03/05/2019  12:07 PM             2,568 korektor_mpips-01.txt
10/29/2015  06:00 AM                55 korektor_mpips-01.URL
03/05/2019  12:09 PM           818,688 Statystyka MPiPS-01.xls
               5 File(s)      1,918,071 bytes
               3 Dir(s)  50,556,514,304 bytes free

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