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...

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...

Samba 加密问题漏洞

Samba is the standard Windows interoperability program suite for Linux and Unix. A security vulnerability exists in samba versions prior to samba 4.15.13, samba versions prior to samba 4.16.8, which stems from the fact that a Samba AD DC using Heimdal can force the issuance of Kerberos tickets...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Samba security announcements and...

rc4-hmac Kerberos session keys issued

Description Kerberos, the trusted third party authentication system at the heart of Active Directory, issues a session key known to the target server and the client, encrypted to both services in a TGS-REP. The key algorithm chosen for here is then used for the subsequent signed or encrypted...

Samba AD DC using Heimdal can be forced to

Description Kerberos, the trusted third party authentication system at the heart of Active Directory, issues a ticket using a key known to the target server but nobody else, returned to the client in a TGS-REP. This key needs to be of a type understood only by the KDC and target server. However,...

Security fix for the ALT Linux 10 package samba version 4.16.8-alt1

Dec. 15, 2022 Evgeny Sinelnikov 4.16.8-alt1 - Update to maintenance release of Samba 4.16 with fixes of the Samba CVE for the Windows Kerberos Elevation of Privilege Vulnerability disclosed by Microsoft on Nov 8 2022 CVE-2022-37967, CVE-2022-37966. - Security fixes: + CVE-2022-37966: A Samba Acti...

Kerberos constrained delegation ticket

Description Kerberos constrained delegation, known also as S4U2Proxy, requires that the intermediate service present to the KDC a valid Kerberos ticket including the PAC obtained by the user as evidence that they had authenticated, so that a new ticket can be issued for the target server. The...

RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided

Description This is Samba's response to Microsoft's CVE-2022-3802312. Following RFC8429 and as has been published for CVE-2022-3938, rc4-hmac also known as arcfour-hmac-md5 cryptography in Kerberos is weak, then it follows that the RC4 mode in the NETLOGON Secure Channel DCE/RPC bulk encryption i...

SUSE: Security Advisory (SUSE-SU-2022:4395-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Amazon Linux AMI : samba (ALAS-2022-1642)

The version of samba installed on the remote host is prior to 4.10.16-20.62. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1642 advisory. It was found that the Kerberos Key Distribution Center KDC delegation feature, Service for User S4U, did not sufficient...

Amazon Linux 2022 : samba (ALAS2022-2022-224)

The version of samba installed on the remote host is prior to 4.16.2-0. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-224 advisory. - A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the...

SUSE SLED15: ctdb / ctdb-pcp-pmda / libsamba-policy-devel / etc (SUSE-SU-2022:4395-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4395-1 advisory. Version update to 4.15.12. Security issues fixed: - CVE-2022-2031: Fixed AD users that could hav...

SUSE-SU-2022:4395-1 Security update for samba

This update for samba fixes the following issues: Version update to 4.15.12. Security issues fixed: - CVE-2022-2031: Fixed AD users that could have bypassed certain restrictions associated with changing passwords bsc1201495. - CVE-2022-32742: Fixed SMB1 code that does not correctly verify...

Amazon Linux 2022 : libldb (ALAS2022-2022-247)

The version of libldb installed on the remote host is prior to 2.5.2-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2022-2022-247 advisory. - A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a...

Amazon Linux 2022 : samba (ALAS2022-2022-213)

The version of samba installed on the remote host is prior to 4.16.5-0. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-213 advisory. - A security feature bypass vulnerability exists in the way Key Distribution Center KDC determines if a service ticket ca...

Huawei EulerOS: Security Advisory for libldb (EulerOS-SA-2022-2798)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...

Huawei EulerOS: Security Advisory for samba (EulerOS-SA-2022-2806)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...

EulerOS 2.0 SP8 : libldb (EulerOS-SA-2022-2798)

According to the versions of the libldb packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding databa...

EulerOS 2.0 SP8 : samba (EulerOS-SA-2022-2806)

According to the versions of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it...