CVE-2023-3347 Samba: smb2 packet signing is not enforced when "server signing = required" is set

A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, suc...

PT-2023-8786 · Samba +8 · Samba +8

Name of the Vulnerable Software and Affected Versions: Samba affected versions not specified Description: A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domai...

SMB2 packet signing not enforced

Description SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. SMB2 packet signing is a mechanism that ensures the integrity and authenticity of data exchanged between a clien...

UBUNTU-CVE-2023-3347

A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, suc...

MS KB5014754 - Audit events found for FAS

As Per the Microsoft KB linked below, we have found audit events on our domain controllers that indicate we will be impacted when this change is enforced. We need the remediation steps, so we can implement them before we're impacted...

msLDAPDump - LDAP Enumeration Tool

msLDAPDump simplifies LDAP enumeration in a domain environment by wrapping the lpap3 library from Python in an easy-to-use interface. Like most of my tools, this one works best on Windows. If using Unix, the tool will not resolve hostnames that are not accessible via eth0 currently. Binding...

State-Backed Hackers Employ Advanced Methods to Target Middle Eastern and African Governments

Governmental entities in the Middle East and Africa have been at the receiving end of sustained cyber-espionage attacks that leverage never-before-seen and rare credential theft and Exchange email exfiltration techniques. "The main goal of the attacks was to obtain highly confidential and sensiti...

State-Backed Hackers Employ Advanced Methods to Target Middle Eastern and African Governments

Governmental entities in the Middle East and Africa have been at the receiving end of sustained cyber-espionage attacks that leverage never-before-seen and rare credential theft and Exchange email exfiltration techniques. "The main goal of the attacks was to obtain highly confidential and sensiti...

The Software-Defined Car

Developers are starting to talk about the software-defined car. For decades, features have accumulated like cruft in new vehicles: a box here to control the antilock brakes, a module there to run the cruise control radar, and so on. Now engineers and designers are rationalizing the way they go...

April 11, 2023—KB5025230 (OS Build 20348.1668)

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AZL-25602 CVE-2022-45141 affecting package samba 4.12.5-7

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption...

K21595932: Samba vulnerability CVE-2018-1057

Security Advisory Description On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service...

SUSE CVE-2019-14902

There is an issue in all samba 4.11.x versions before 4.11.5, all samba 4.10.x versions before 4.10.12 and all samba 4.9.x versions before 4.9.18, where the removal of the right to create or modify a subtree would not automatically be taken away on all domain controllers...

Microsoft Windows Netlogon 安全漏洞

Microsoft Windows Netlogon is an important component of Windows from Microsoft Corporation USA, whose main functions are authentication of users and machines on intra-domain networks and replication of databases for domain-controlled backups, as well as maintenance of domain member-to-domain,...

OESA-2023-1018 samba security update

Samba is a suite of programs for Linux and Unix to interoperate with Windows. Security Fixes: Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DC...

OESA-2023-1016 samba security update

Samba is a suite of programs for Linux and Unix to interoperate with Windows. Security Fixes: Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DC...

UBUNTU-CVE-2022-45141

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption...

November 17, 2022—KB5021655 (OS Build 17763.3653) Out-of-band

None None...

KB5021657: Out-of-band update for Windows Server 2008 SP2: November 17, 2022

KB5021657: Out-of-band update for Windows Server 2008 SP2: November 17, 2022 Summary This update includes improvements for the following issue: Addresses a known issue that affects Windows Servers that have the Domain Controller DC role. They might have Kerberos authentication issues if both of t...

KB5021653: Out-of-band update for Windows Server 2012 R2: November 17, 2022

KB5021653: Out-of-band update for Windows Server 2012 R2: November 17, 2022 Summary This update includes improvements for the following issue: Addresses a known issue that affects Windows Servers that have the Domain Controller DC role. They might have Kerberos authentication issues if both of th...