Moderate: Red Hat Security Advisory: samba security and bug fix update

An update for samba is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 9 : samba (RHSA-2023:4325)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4325 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allo...

RHEL 8 : samba (RHSA-2023:4328)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4328 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allo...

Moderate: samba security and bug fix update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: SMB2 packet signing is not enforced when "server...

An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.

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CVE-2023-32257

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2SESSIONSETUP and SMB2LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage th...

AZL-27762 CVE-2023-32257 affecting package kernel for versions less than 5.15.135.1-2

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2SESSIONSETUP and SMB2LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage th...

AZL-27760 CVE-2023-32248 affecting package kernel for versions less than 5.15.126.1-1

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

CVE-2023-32247

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2SESSIONSETUP commands. The issue results from the lack of control of resource consumption. An attacker can leverage this vulnerability to create a...

CVE-2023-32248

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

AZL-27763 CVE-2023-32258 affecting package kernel for versions less than 5.15.135.1-2

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2LOGOFF and SMB2CLOSE commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this...

CVE-2023-32257

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2SESSIONSETUP and SMB2LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage th...

CVE-2023-32248

CVE-2023-32248 describes a flaw in the Linux kernel’s ksmbd (the in-kernel SMB server) related to the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO. The issue stems from the lack of proper validation of a pointer before access, which attackers can leverage to cause a denial-of-service conditi...

Fedora 38 : samba (2023-76c06c8576)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-76c06c8576 advisory. Update to version 4.18.5, Security fixes for CVE-2022-2127, CVE-2023-3347, CVE-2023-34966, CVE-2023-34967 and CVE-2023-34968 Tenable has extracted t...

Authorization Bypass

samba is vulnerable to Authorization Bypasses. The vulnerability occurs when an attacker sends a specially crafted SMB2 packet to a Samba server. If the packet is valid, the Samba server could be tricked into entering a man-in-the-middle attack, by intercepting the network traffic and modifying t...

SUSE-SU-2023:2929-1 Security update for samba

This update for samba fixes the following issues: samba was updated to version 4.17.9: - CVE-2022-2127: Fixed issue where lmresplen was not checked properly in winbinddpamauthcrapsend bsc1213174. - CVE-2023-34966: Fixed samba spotlight mdssvc RPC Request Infinite Loop Denial-of-Service...

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...

AZL-48166 CVE-2023-3347 affecting package samba 4.18.3-2

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...

Design/Logic Flaw

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...

CVE-2023-3347

Samba SMB2 packet signing was not enforced when server signing is required, enabling potential tampering of SMB2 traffic and compromising data integrity. The CVE affects Samba and has multiple advisories (e.g., ALMAS/Errata entries) linking to CVE-2023-3347. Connected documents indicate remediati...