Microsoft Windows up to Server 2016 COM Session Helppane.exe access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Windows up to Server 2016 (Operating System). It has been classified as problematic. Affected is an unknown code block of the file Helppane.exe of the component COM Session Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 06/13/2017. The weakness was presented 06/13/2017 by James Forshaw with Google Project Zero as KB4022725 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2017-0298 since 09/09/2016. The attack needs to be approached locally. The requirement for exploitation is a authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:
An elevation of privilege exists in Windows when a DCOM object in Helppane.exe, configured to run as the interactive user, fails to properly authenticate the client. An attacker who successfully exploited the vulnerability could run arbitrary code in another user's session.
The vulnerability scanner Nessus provides a plugin with the ID 100759 (KB4022714: Windows 10 Version 1511 June 2017 Cumulative 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.
Applying the patch KB4022725 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (100759). See 102373, 102374, 102375 and 102376 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 6.2
VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 6.6
Vendor Vector (Microsoft): 🔍
NVD Base Score: 7.3
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
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Exploiting
Class: Access controlCWE: CWE-264
ATT&CK: T1068
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 100759
Nessus Name: KB4022714: Windows 10 Version 1511 June 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows Multiple Vulnerabilites (KB4022719)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: KB4022725
Timeline
09/09/2016 🔍06/13/2017 🔍
06/13/2017 🔍
06/13/2017 🔍
06/13/2017 🔍
06/13/2017 🔍
06/14/2017 🔍
06/14/2017 🔍
12/28/2020 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: KB4022725
Researcher: James Forshaw
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-0298 (🔍)
OVAL: 🔍
SecurityFocus: 98841 - Microsoft Windows COM CVE-2017-0298 Local Privilege Escalation Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 06/14/2017 11:05Updated: 12/28/2020 07:50
Changes: 06/14/2017 11:05 (88), 10/17/2019 11:43 (7), 12/28/2020 07:50 (2)
Complete: 🔍
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