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CVE-2019-1258— Azure Active Directory Authentication Library Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft ADAL.NET
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Azure Active Directory Authentication Library是美国微软（Microsoft）公司的一款身份验证库。该产品允许客户端应用程序对用户进行身份验证。 Microsoft Azure Active Directory Authentication Library中的On-Behalf-Of flow存在权限许可和访问控制问题漏洞。攻击者可利用该漏洞在其他用户的上下文中执行操作。

AI Predicted 7.5 Difficulty: Moderate EPSS 3.80% · P90

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2019-1258

Vulnerability Information
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Vulnerability Title
Azure Active Directory Authentication Library Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
An elevation of privilege vulnerability exists in Azure Active Directory Authentication Library On-Behalf-Of flow, in the way the library caches tokens. This vulnerability allows an authenticated attacker to perform actions in context of another user. The authenticated attacker can exploit this vulneraiblity by accessing a service configured for On-Behalf-Of flow that assigns incorrect tokens. This security update addresses the vulnerability by removing fallback cache look-up for On-Behalf-Of scenarios.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure Active Directory Authentication Library 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure Active Directory Authentication Library是美国微软（Microsoft）公司的一款身份验证库。该产品允许客户端应用程序对用户进行身份验证。 Microsoft Azure Active Directory Authentication Library中的On-Behalf-Of flow存在权限许可和访问控制问题漏洞。攻击者可利用该漏洞在其他用户的上下文中执行操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft ADAL.NET 5.0.0 ~ publication cpe:2.3:a:microsoft:active_directory_authentication_library:*:*:*:*:*:.net:*:*
Microsoft Nuget 5.2.0 5.0.0 ~ publication cpe:2.3:a:microsoft:nuget:5.2.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2019-1258

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III. Intelligence Information for CVE-2019-1258

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Vendor Advisories for CVE-2019-1258 (1)

Same Patch Batch · Microsoft · 2019-08-14 · 88 CVEs total

CVE-2019-1226 9.8 CRITICAL Remote Desktop Services Remote Code Execution Vulnerability
CVE-2019-1222 9.8 CRITICAL Remote Desktop Services Remote Code Execution Vulnerability
CVE-2019-0736 9.8 CRITICAL Windows DHCP Client Remote Code Execution Vulnerability
CVE-2019-1213 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2019-1182 9.8 CRITICAL Remote Desktop Services Remote Code Execution Vulnerability
CVE-2019-1212 9.8 CRITICAL Windows DHCP Server Denial of Service Vulnerability
CVE-2019-1181 9.8 CRITICAL Remote Desktop Services Remote Code Execution Vulnerability
CVE-2019-1152 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1149 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1150 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1151 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1145 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1144 8.8 HIGH Microsoft Graphics Remote Code Execution Vulnerability
CVE-2019-1140 8.8 HIGH Chakra Scripting Engine Memory Corruption Vulnerability
CVE-2019-0720 8.0 HIGH Hyper-V Remote Code Execution Vulnerability
CVE-2019-1170 7.9 HIGH Windows NTFS Elevation of Privilege Vulnerability
CVE-2019-1156 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-1164 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2019-1157 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-1155 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability

Showing top 20 of 88 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Microsoft

V. Comments for CVE-2019-1258

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