Vulnerability Details : CVE-2011-2005
Public exploit exists!
afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."
Vulnerability category: Gain privilege
CVE-2011-2005 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
afd.sys in the Ancillary Function Driver in Microsoft Windows does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application.
Added on
2022-03-28
Action due date
2022-04-18
Exploit prediction scoring system (EPSS) score for CVE-2011-2005
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 33 % EPSS Score History EPSS FAQ
Metasploit modules for CVE-2011-2005
-
MS11-080 AfdJoinLeaf Privilege Escalation
Disclosure Date: 2011-11-30First seen: 2020-04-26exploit/windows/local/ms11_080_afdjoinleafThis module exploits a flaw in the AfdJoinLeaf function of the afd.sys driver to overwrite data in kernel space. An address within the HalDispatchTable is overwritten and when triggered with a call to NtQueryIntervalProfile will execute shellcode.
CVSS scores for CVE-2011-2005
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2011-2005
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2005
-
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
Microsoft Security Bulletin MS11-080 - Important | Microsoft Docs
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
Repository / Oval Repository
Products affected by CVE-2011-2005
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*