CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.8 | $5k-$25k | 0.00 |
A vulnerability was found in Microsoft Windows (Operating System) (the affected version unknown). It has been classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
The weakness was disclosed 04/12/2011 by Tarjei Mandt with Norman (Website). The advisory is available at us-cert.gov. This vulnerability is traded as CVE-2011-1232. The exploitability is told to be easy. Local access is required to approach this attack. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/02/2021).
The vulnerability scanner Nessus provides a plugin with the ID 53391 (MS11-034: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2506223)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.
A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (66414) and Tenable (53391). The entries 4336, 54584, 56176 and 56475 are pretty similar.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.8
VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 53391
Nessus Name: MS11-034: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2506223)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 900283
OpenVAS Name: Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (2506223)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/04/2011 🔍04/12/2011 🔍
04/12/2011 🔍
04/12/2011 🔍
04/12/2011 🔍
04/12/2011 🔍
04/13/2011 🔍
04/13/2011 🔍
03/23/2015 🔍
11/02/2021 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: us-cert.gov
Researcher: Tarjei Mandt
Organization: Norman
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-1232 (🔍)
OVAL: 🔍
X-Force: 66414
Vulnerability Center: 31066 - [MS11-034] Microsoft Windows Win32k Null Pointer Dereference Privilege Escalation (CVE-2011-1232), High
SecurityFocus: 47232 - Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1232) Local Privilege Escalation Vulnerability
Secunia: 44156
OSVDB: 71738 - Microsoft Windows win32k.sys Driver Null Pointer De-reference Unspecified Local Privilege Escalation (2011-1232)
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/02/2021 14:22
Changes: 03/23/2015 16:50 (61), 04/07/2017 16:04 (10), 11/02/2021 14:20 (5), 11/02/2021 14:22 (1)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.