Microsoft PowerShell Core 6.1/6.2 Windows Defender Application Control 7pk security
|CVSS Meta Temp Score|
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Microsoft PowerShell Core 6.1/6.2. It has been classified as problematic. This affects an unknown functionality of the component Windows Defender Application Control. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement, aka 'Windows Defender Application Control Security Feature Bypass Vulnerability'.
The weakness was presented 07/16/2019 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2019-1167 since 11/26/2018. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK. The advisory points out:
A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent PowerShell Core Constrained Language Mode on the machine.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8
VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.1
NVD Vector: 🔍
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
ExploitingClass: Privilege escalation
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
07/16/2019 +232 days 🔍
07/16/2019 +0 days 🔍
07/20/2019 +4 days 🔍
07/08/2020 +354 days 🔍
CVE: CVE-2019-1167 (🔍)
EntryCreated: 07/20/2019 08:42 AM
Updated: 07/08/2020 08:28 PM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
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