Microsoft Windows up to Server 2019 Kernel information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Microsoft Windows (Operating System). This issue affects an unknown code block of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.
The bug was discovered 12/11/2018. The weakness was released 12/11/2018 by Alibaba as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2018-8477 since 03/14/2018. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.
The vulnerability scanner Nessus provides a plugin with the ID 119591 (KB4471332: Windows 10 Version 1809 and Windows Server 2019 December 2018 Security Update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91488 (Microsoft Windows Security Update December 2018).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (119591). Entries connected to this vulnerability are available at 127795, 127796, 127797 and 127798.
Product
Type
Vendor
Name
Version
- 7 SP1
- 8.1
- 10
- 10 1607
- 10 1703
- 10 1709
- 10 1803
- 10 1809
- RT 8.1
- Server 1709
- Server 1803
- Server 2008 R2 SP1
- Server 2008 SP2
- Server 2012
- Server 2012 R2
- Server 2016
- Server 2019
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: 4.0VulDB Meta Temp Score: 4.0
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 3.3
Vendor Vector (Microsoft): 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
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: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592
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: 119591
Nessus Name: KB4471332: Windows 10 Version 1809 and Windows Server 2019 December 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/14/2018 🔍12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/12/2018 🔍
06/18/2023 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Researcher: Alibaba
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2018-8477 (🔍)
SecurityFocus: 106081 - Microsoft Windows Kernel CVE-2018-8477 Local Information Disclosure Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 12/12/2018 07:53Updated: 06/18/2023 08:32
Changes: 12/12/2018 07:53 (86), 04/19/2020 16:42 (5), 06/18/2023 08:32 (4)
Complete: 🔍
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