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SUSE-SU-2023:4059-1

Опубликовано: 12 окт. 2023
Источник: suse-cvrf

Описание

Security update for samba

This update for samba fixes the following issues:

  • CVE-2023-4091: Fixed a bug where a client can truncate file with read-only permissions. (bsc#1215904)
  • CVE-2023-42669: Fixed a bug in 'rpcecho' development server which allows Denial of Service via sleep() call on AD DC. (bso#1215905)
  • CVE-2023-4154: Fixed a bug in dirsync which allows SYSTEM access with only 'GUID_DRS_GET_CHANGES' right. (bsc#1215908)

Список пакетов

Image SLES15-SP4-BYOS
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-Azure
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-EC2
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-GCE
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS-Aliyun
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS-Azure
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS-EC2
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS-GCE
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-CHOST-BYOS-SAP-CCloud
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-BYOS
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-BYOS-Azure
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-BYOS-EC2
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-BYOS-GCE
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-EC2
samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-HPC-GCE
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Image SLES15-SP4-Hardened-BYOS
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Image SLES15-SP4-Hardened-BYOS-Azure
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Image SLES15-SP4-Hardened-BYOS-EC2
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Image SLES15-SP4-Hardened-BYOS-GCE
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Image SLES15-SP4-Manager-Proxy-4-3-BYOS
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Image SLES15-SP4-Manager-Proxy-4-3-BYOS-Azure
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Image SLES15-SP4-Manager-Proxy-4-3-BYOS-EC2
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Image SLES15-SP4-Manager-Proxy-4-3-BYOS-GCE
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Image SLES15-SP4-Manager-Server-4-3
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Image SLES15-SP4-Manager-Server-4-3-Azure-llc
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Image SLES15-SP4-Manager-Server-4-3-Azure-ltd
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Image SLES15-SP4-Manager-Server-4-3-BYOS
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Image SLES15-SP4-Manager-Server-4-3-BYOS-Azure
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Image SLES15-SP4-Manager-Server-4-3-BYOS-EC2
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Image SLES15-SP4-Manager-Server-4-3-BYOS-GCE
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Image SLES15-SP4-Manager-Server-4-3-EC2-llc
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Image SLES15-SP4-Manager-Server-4-3-EC2-ltd
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Image SLES15-SP4-SAP
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Image SLES15-SP4-SAP-Azure
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Image SLES15-SP4-SAP-Azure-LI-BYOS
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Image SLES15-SP4-SAP-Azure-LI-BYOS-Production
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Image SLES15-SP4-SAP-Azure-VLI-BYOS
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Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production
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Image SLES15-SP4-SAP-BYOS
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Image SLES15-SP4-SAP-BYOS-Azure
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Image SLES15-SP4-SAP-BYOS-EC2
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Image SLES15-SP4-SAP-BYOS-GCE
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Image SLES15-SP4-SAP-EC2
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Image SLES15-SP4-SAP-GCE
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Image SLES15-SP4-SAP-Hardened
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Image SLES15-SP4-SAP-Hardened-Azure
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Image SLES15-SP4-SAP-Hardened-BYOS
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Image SLES15-SP4-SAP-Hardened-BYOS-Azure
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Image SLES15-SP4-SAP-Hardened-BYOS-EC2
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Image SLES15-SP4-SAP-Hardened-BYOS-GCE
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Image SLES15-SP4-SAP-Hardened-GCE
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Image SLES15-SP4-SAPCAL
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Image SLES15-SP4-SAPCAL-Azure
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Image SLES15-SP4-SAPCAL-EC2
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Image SLES15-SP4-SAPCAL-GCE
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SUSE Linux Enterprise High Availability Extension 15 SP4
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SUSE Linux Enterprise Micro 5.4
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SUSE Linux Enterprise Module for Basesystem 15 SP4
libsamba-policy-devel-4.15.13+git.691.3d3cea0641-150400.3.31.1
libsamba-policy-python3-devel-4.15.13+git.691.3d3cea0641-150400.3.31.1
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samba-ad-dc-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
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samba-ceph-4.15.13+git.691.3d3cea0641-150400.3.31.1
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samba-dsdb-modules-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-gpupdate-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-ldb-ldap-4.15.13+git.691.3d3cea0641-150400.3.31.1
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openSUSE Leap 15.4
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libsamba-policy-devel-4.15.13+git.691.3d3cea0641-150400.3.31.1
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samba-devel-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-devel-32bit-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-doc-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-dsdb-modules-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-gpupdate-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-ldb-ldap-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-libs-32bit-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-libs-python3-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-libs-python3-32bit-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-python3-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-test-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-tool-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-winbind-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-winbind-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
samba-winbind-libs-32bit-4.15.13+git.691.3d3cea0641-150400.3.31.1

Ссылки

Описание

A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions when the Samba VFS module "acl_xattr" is configured with "acl_xattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only access but then implicitly truncates the opened file to 0 bytes if the client specifies a separate OVERWRITE create disposition request. The issue arises in configurations that bypass kernel file system permissions checks, relying solely on Samba's permissions.

Затронутые продукты
Image SLES15-SP4-BYOS-Azure:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-EC2:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-GCE:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Ссылки

Описание

A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.

Затронутые продукты
Image SLES15-SP4-BYOS-Azure:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-EC2:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-GCE:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Ссылки

Описание

A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises because the "rpcecho" service operates with only one worker in the main RPC task, allowing calls to the "rpcecho" server to be blocked for a specified time, causing service disruptions. This disruption is triggered by a "sleep()" call in the "dcesrv_echo_TestSleep()" function under specific conditions. Authenticated users or attackers can exploit this vulnerability to make calls to the "rpcecho" server, requesting it to block for a specified duration, effectively disrupting most services and leading to a complete denial of service on the AD DC. The DoS affects all other services as "rpcecho" runs in the main RPC task.

Затронутые продукты
Image SLES15-SP4-BYOS-Azure:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-EC2:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS-GCE:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
Image SLES15-SP4-BYOS:samba-client-libs-4.15.13+git.691.3d3cea0641-150400.3.31.1
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