Vulnerability Details : CVE-2016-0099
Public exploit exists!
Used for ransomware!
The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka "Secondary Logon Elevation of Privilege Vulnerability."
Vulnerability category: Gain privilege
Products affected by CVE-2016-0099
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1511:-:*:*:*:*:*:*:*
CVE-2016-0099 is in the CISA Known Exploited Vulnerabilities Catalog
This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A privilege escalation vulnerability exists in Microsoft Windows if the Windows Secondary Logon Service fails to properly manage request handles in memory. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2016-0099
Added on
2022-03-03
Action due date
2022-03-24
Exploit prediction scoring system (EPSS) score for CVE-2016-0099
1.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2016-0099
-
MS16-032 Secondary Logon Handle Privilege Escalation
Disclosure Date: 2016-03-21First seen: 2020-04-26exploit/windows/local/ms16_032_secondary_logon_handle_privescThis module exploits the lack of sanitization of standard handles in Windows' Secondary Logon Service. The vulnerability is known to affect versions of Windows 7-10 and 2k8-2k12 32 and 64 bit. This module will only work against those versions of Windows with
CVSS scores for CVE-2016-0099
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2024-07-24 |
CWE ids for CVE-2016-0099
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-0099
-
https://www.exploit-db.com/exploits/39809/
Microsoft Windows 7 < 10 / 2008 < 2012 (x86/x64) - Local Privilege Escalation (MS16-032) (C#)Exploit;Third Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/84034
Microsoft Windows Secondary Logon CVE-2016-0099 Local Privilege Escalation VulnerabilityBroken Link;Third Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/39719/
Microsoft Windows 7 < 10 / 2008 < 2012 R2 (x86/x64) - Local Privilege Escalation (MS16-032) (PowerShell)Exploit;Third Party Advisory;VDB Entry
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http://www.securitytracker.com/id/1035210
Microsoft Windows Secondary Logon Service Handle Processing Flaw Lets Local Users Gain Elevated Privileges - SecurityTrackerBroken Link;Third Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/40107/
Microsoft Windows 7 < 10 / 2008 < 2012 (x86/x64) - Secondary Logon Handle Privilege Escalation (MS16-032) (Metasploit)Exploit;Third Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/39574/
Microsoft Windows 8.1/10 (x86) - Secondary Logon Standard Handles Missing Sanitization Privilege Escalation (MS16-032)Exploit;Third Party Advisory;VDB Entry
-
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-032
Microsoft Security Bulletin MS16-032 - Important | Microsoft DocsPatch;Vendor Advisory
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