KB5021652: Out-of-band update for Windows Server 2012: November 17, 2022

KB5021652: Out-of-band update for Windows Server 2012: November 17, 2022 Summary This update includes improvements for the following: Addresses a known issue that affects Windows Servers that have the Domain Controller DC role. They might have Kerberos authentication issues if both of the followi...

BumbleBee leverages Zerologon to get Domain Controller Access

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Since May 2022, threat actors are leveraging BumbleBee as an initial vector from a Contact Forms campaign. The intrusion started with the delivery of an ISO file that contained an LNK and a DLL. Using...

Exploitation of Follina leads to takeover of domain controller

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The recent incident is related to TA570, wherein the attackers exploited the Follina vulnerability CVE-2022-30190 to compromise the Domain Controller and eventually gain access to confidential files...

Buffer overflow in Heimdal unwrap_des3()

Description The DES for Samba 4.11 and earlier and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc allocated memory when presented with a maliciously small packet. Examples of where Samba can use GSSAPI include the client and...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Microsoft Windows Active Directory Certificate Services Improper Authorization Privilege Escalation Vulnerability

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of Microsoft Windows Active Directory Certificate Services. Authentication is required to exploit this vulnerability. The specific flaw exists within the issuance of certificates. By including...

noPac - Exploiting CVE-2021-42278 And CVE-2021-42287 To Impersonate DA From Standard Domain User

Exploiting CVE-2021-42278 and CVE-2021-42287 to impersonate DA from standard domain user Changed from sam-the-admin. Usage SAM THE ADMIN CVE-2021-42278 + CVE-2021-42287 chain positional arguments: domain/username:password Account used to authenticate to DC. optional arguments: -h, --help show thi...

DEBIAN-CVE-2021-3670

MaxQueryDuration not honoured in Samba AD DC LDAP...

AZL-10662 CVE-2021-3670 affecting package samba 4.12.5-7

MaxQueryDuration not honoured in Samba AD DC LDAP...

CVE-2022-30216 - Authentication coercion of the Windows ?Server? service

In this blog, see how an off-by-one error could lead to domain controller access in Microsoft Server Service...

CVE-2022-30216 - Authentication coercion of the Windows “Server” service

In this blog, see how an off-by-one error could lead to domain controller access in Microsoft Server Service...

The vulnerability of the ActiveDirectory/DC database audit log management module in the Samba networking software package allows a perpetrator to trigger a service failure.

The vulnerability of the ActiveDirectory/DC log management module in the Samba networking software package is related to the use of memory after it is freed. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

Samba 资源管理错误漏洞

Samba is the standard Windows interoperability program suite for Linux and Unix. A resource management error vulnerability exists in versions of Samba prior to 4.16.4, which stems from the AD DC Database Audit Logging module being able to access the value of an LDAP message that has been released...

Microsoft Windows LSA Spoofing Vulnerability

Microsoft Windows Local Security Authority LSA contains a spoofing vulnerability where an attacker can coerce the domain controller to authenticate to the attacker using NTLM...

SMB NULL Session Authentication (Domain Controller)

The remote host is running an SMB protocol. It is possible to log into the netlogon, lsarpc, or samr pipes using a NULL session i.e., with no login or password. Depending on the configuration, it may be possible for an unauthenticated, remote attacker to leverage this issue to get information abo...

Detecting and preventing privilege escalation attacks leveraging Kerberos relaying (KrbRelayUp)

On April 24, 2022, a privilege escalation hacking tool, KrbRelayUp, was publicly disclosed on GitHub by security researcher Mor Davidovich. KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/SharpMad, Whisker, and ADCSPwn tools in...

CVE-2021-32966

Philips Interoperability Solution XDS versions 2.5 through 3.11 and 2018-1 through 2021-1 are vulnerable to clear text transmission of sensitive information when configured to use LDAP via TLS and where the domain controller returns LDAP referrals, which may allow an attacker to remotely read LDA...

Design/Logic Flaw

Philips Interoperability Solution XDS versions 2.5 through 3.11 and 2018-1 through 2021-1 are vulnerable to clear text transmission of sensitive information when configured to use LDAP via TLS and where the domain controller returns LDAP referrals, which may allow an attacker to remotely read LDA...

CVE-2021-32966 Philips Interoperability Solution XDS - Clear Text Transmission of Sensitive Information

Philips Interoperability Solution XDS versions 2.5 through 3.11 and 2018-1 through 2021-1 are vulnerable to clear text transmission of sensitive information when configured to use LDAP via TLS and where the domain controller returns LDAP referrals, which may allow an attacker to remotely read LDA...