Ubuntu: Security Advisory (USN-5142-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5142-2: Samba regressions

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced regressions in name mapping and backups. Please see the following upstream bugs for more information: https://bugzilla.samba.org/showbug.cgi?id=14901 https://bugzilla.samba.org/showbug.cgi?id=14918 This update fixe...

CVE-2020-25722

samba is vulnerable to privilege escalation. The vulnerability exists due to a lack of sanitization of access and conformance of data stored allowing total domain compromise...

USN-5142-1 samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext authentication. CVE-2016-2124 Andrew Bartlett discovered that Samba incorrectly mapping domain users to local users. An...

SUSE SLED15: ctdb / ldb-tools / libdcerpc-binding0 / libdcerpc-binding0-32bit / etc (SUSE-SU-2021:3647-1)

"The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3647-1 advisory. - CVE-2020-25718: Fixed that an RODC can issue forge administrator tickets to other servers bsc1192246. - CVE-2021-3738: Fixed crash ...

CVE-2020-25722

Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise...

CVE-2020-25719

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result cou...

UBUNTU-CVE-2020-25722

Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise...

Samba permission and access control vulnerabilities

Samba is the standard Windows interoperability suite for Linux and Unix. Samba suffers from a permission permission and access control issue vulnerability that stems from multiple flaws found in the way samba AD DC implements access and consistency checks for stored data. An attacker could exploi...

UBUNTU-CVE-2020-25719

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result cou...

CVE-2020-25722

Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise...

Samba AD DC did not always rely on the SID

Description Samba as an Active Directory Domain Controller is based on Kerberos, which provides name-based authentication. These names are often then used for authorization. However Microsoft Windows and Active Direcory is SID-based. SIDs in Windows, similar to UIDs in Linux/Unix if managed well...

The UNC2529 Triple Double: A Trifecta Phishing Campaign

In December 2020, Mandiant observed a widespread, global phishing campaign targeting numerous organizations across an array of industries. Mandiant tracks this threat actor as UNC2529. Based on the considerable infrastructure employed, tailored phishing lures and the professionally coded...

Increasing resilience against Solorigate and other sophisticated attacks with Microsoft Defender

­Even as investigations into the sophisticated attack known as Solorigate are still underway, details and insights about the tools, patterns, and methods used by the attackers point to steps that organizations can take to improve their defenses against similar attacks. Solorigate is a cross-domai...

Using Microsoft 365 Defender to protect against Solorigate

Microsoft security researchers continue to investigate and respond to the sophisticated cyberattack known as Solorigate also referred to as Sunburst by FireEye involving a supply chain compromise and the subsequent compromise of cloud assets. While the related investigations and impact assessment...

PT-2020-6555

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description The issue is related to flaws in the way Samba AD DC implements access and conformance checking of stored data, potentially allowing an attacker to cause total domain compromise. It is also...

FreeBSD : buildbot -- CRLF injection in Buildbot login and logout redirect code (5536ea5f-6814-11e9-a8f7-0050562a4d7b)

A CRLF can be injected in Location header of /auth/login and /auth/logout This is due to lack of input validation in the buildbot redirection code. It was not found a way to impact Buildbot product own security through this vulnerability, but it could be used to compromise other sites hosted on t...

Still Getting Served: A Look at Recent Malvertising Campaigns Involving Exploit Kits

Malvertising occurs when an online advertising network knowingly or unknowingly serves up malicious advertisements on a website. Malvertisements are a type of “drive-by” threat that tend to result in users being infected with malware for simply visiting a website. The victims of this threat are...