March 8, 2022—KB5011560 (Security-only update)

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OESA-2022-1529 samba security update

Samba is a suite of programs for Linux and Unix to interoperate with Windows. Security Fixes: Checks in Samba AD DC to prevent alias SPNs may be bypassed, enabling users who can write to the account's servicePrincipalName attribute to impersonate the service.CVE-2022-0336...

UBUNTU-CVE-2022-0336

The Samba AD DC includes checks when adding service principals names SPNs to an account to ensure that SPNs do not alias with those already in the database. Some of these checks are able to be bypassed if an account modification re-adds an SPN that was previously present on that account, such as...

CVE-2021-42306

An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential on an Azure AD Application or Service Principal which is not recommended. This vulnerability allows a user or service in the...

CVE-2021-42306: Insufficiently Protected Credentials

An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential on an Azure AD Application or Service Principal which is not recommended. This vulnerability allows a user or service in the...

CVE-2020-17049

It was found that the Kerberos Key Distribution Center KDC delegation feature, Service for User S4U, did not sufficiently protect the tickets it's providing from tempering. A malicious, authenticated service principal allowed to delegate could use this flaw to impersonate a non-forwardable user...

Guidance for Azure Active Directory (AD) keyCredential property Information Disclosure in Application and Service Principal APIs

Microsoft recently mitigated an information disclosure issue, CVE-2021-42306, to prevent private key data from being stored by some Azure services in the keyCredentials property of an Azure Active Directory Azure AD Application and/or Service Principal, and prevent reading of private key data...

アプリケーションおよびサービス プリンシパル API での Azure Active Directory (AD) keyCredential プロパティの情報漏えいに関するガイダンス

本ブログは、“Guidance for Azure Active Directory AD keyCredential property Information Disclosure in Application and Service Principal APIs” の抄訳版です。最新の情報は、原本...

Guidance for Azure Active Directory (AD) keyCredential property Information Disclosure in Application and Service Principal APIs

Microsoft recently mitigated an information disclosure issue, CVE-2021-42306, to prevent private key data from being stored by some Azure services in the keyCredentialsproperty of an Azure Active Directory Azure AD Applicationand/or Service Principal, and prevent reading of private key data...

Guidance for Azure Active Directory (AD) keyCredential property Information Disclosure in Application and Service Principal APIs

Microsoft recently mitigated an information disclosure issue, CVE-2021-42306, to prevent private key data from being stored by some Azure services in the keyCredentialsproperty of an Azure Active Directory Azure AD Applicationand/or Service Principal, and prevent reading of private key data...

Azure Active Directory Information Disclosure Vulnerability

An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential on an Azure AD Application or Service Principal which is not recommended. This vulnerability allows a user or service in the...

CVE-2021-42306

creationtimestamp| type| source ---|---|--- 2021-11-17 07:00:00+00:00| seen| https://msrc.microsoft.com/blog/2021/11/guidance-for-azure-active-directory-ad-keycredential-property-information-disclosure-in-application-and-service-principal-apis/ 2021-11-18 13:13:22+00:00| published-proof-of-concep...

PT-2021-4858

Name of the Vulnerable Software and Affected Versions Azure Active Directory AAD affected versions not specified Azure Automation affected versions not specified Azure Site Recovery affected versions not specified Azure Migrate affected versions not specified Description The issue is related to...

AD Starter Scan - Kerberoasting

Binary data adsikerberoasting.nbin...

AppContainer Kerberos Authentication Bypass

The vulnerability of the Kerberos authentication protocol for the isolated software environment AppContainer on Microsoft Windows operating systems is related to security configuration errors. Exploiting this vulnerability allows a malicious actor to bypass the network-based Kerberos authenticati...

PT-2021-3372 · Microsoft · Windows

Name of the Vulnerable Software and Affected Versions: Microsoft Windows affected versions not specified Description: The issue is related to errors in security settings in the implementation of the Kerberos network authentication protocol for the AppContainer isolated software environment in...

Exploit for Improper Privilege Management in Microsoft

内网渗透学习笔记 作者：chriskali Github：chriskaliX 近期，拜读了腾讯蓝军-红蓝对抗之Windows内网渗透，学到了不少知识点。打算拆分章节进行整理以及复现，主要记录自己缺失的知识点。这是一个大杂烩文章，主线是跟着jumbo师傅的思路，碰到感兴趣的，我会继续扩展。可能有点凌乱，希望大家见谅。 0x01 环境搭建 这一步略过，简单介绍一下测试的环境 |主机名|IP地址|角色|系统| |:-:|:-:|:-:|:-:| |DC|10.10.10.10|DC|DNS|Winserver 2012| |John|10.10.10.11|normal|win7|...

Honeyroasting. How to detect Kerberoast breaches with honeypots

Introduction As we know one of the main issues facing defenders, especially in large environments, is protecting against threat actors after they gain a foothold in the environment. If an attacker lands on a domain-joined PC, the attack surface is massive, and it is vital to detect them as quickl...

Missing HOST SPN can cause workstation trust relationship error

User or admin is unable to login to a computer remotely using a domain account and sees this error: "The security database on the server does not have a computer account for this workstation trust relationship."...

DEBIAN-CVE-2019-3870

A vulnerability was found in Samba from version including 4.9 to versions before 4.9.6 and 4.10.2. During the creation of a new Samba AD DC, files are created in a private subdirectory of the install location. This directory is typically mode 0700, that is owner root only access. However in some...