samba: SMB clients can truncate files with read-only permissions

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 "aclxattr" is configured with "aclxattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only acces...

The vulnerability of the Server Message Block (SMB) network protocol software used in the design, operation, and maintenance of COMOS technical installations stems from lack of access control mechanisms. This allows attackers to compromise data confidentiality and integrity.

The vulnerability of the Server Message Block SMB network protocol software used for designing, operating, and maintaining technological installations like COMOS is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to compromise data...

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

An update for samba, evolution-mapi, and openchangeis now available for Red Hat Enterprise Linux 8. 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 f...

CVE-2023-31403

SAP Business One installation - version 10.0, does not perform proper authentication and authorization checks for SMB shared folder. As a result, any malicious user can read and write to the SMB shared folder. Additionally, the files in the folder can be executed or be used by the installation...

PT-2023-6873 · Comos · Comos

Name of the Vulnerable Software and Affected Versions: COMOS All versions Description: The issue is related to the implementation of the Server Message Block SMB network protocol in COMOS software, which is used for designing, operating, and maintaining technological installations. It is associat...

SAP Business One 访问控制错误漏洞

SAP Business One is a set of enterprise management software from SAP. The software includes functions such as financial management, operations management and human resource management. An access control error vulnerability exists in SAP Business One version 10.0, which stems from not performing...

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

An update for samba, evolution-mapi, and openchange 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...

Moderate: samba security, bug fix, and enhancement 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. The following packages have been upgraded to a later upstream version:...

ALPINE-CVE-2023-4091

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 "aclxattr" is configured with "aclxattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only acces...

AZL-37025 CVE-2023-4091 affecting package samba 4.18.3-2

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 "aclxattr" is configured with "aclxattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only acces...

PT-2024-14723

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.0-rc7 Description A use-after-free vulnerability was found in the Linux kernel's SMB client, specifically in the smb2 query info compound function. This vulnerability was triggered when running fstests...

CVE-2023-1192

A use-after-free flaw was found in smb2isstatusiotimeout in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region,...

CVE-2023-20270

A vulnerability in the interaction between the Server Message Block SMB protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS conditi...

Cisco Firepower Threat Defense Security Vulnerability

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. A security vulnerability exists in Cisco Firepower Threat Defense that stems from a flaw in the interaction between the Server Message Block SMB protocol preprocessor and...

Moderate: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. 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 ea...

SUSE CVE-2023-4091

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 "aclxattr" is configured with "aclxattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only acces...

AZL-31149 CVE-2023-5345 affecting package kernel for versions less than 5.15.135.1-2

A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3fscontextparseparam, ctx-password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading pas...

UBUNTU-CVE-2023-5345

A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3fscontextparseparam, ctx-password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading pas...

UBUNTU-CVE-2023-3865

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2write ksmbdsmb2checkmessage doesn't validate hdr-NextCommand. If -NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in...

OESA-2023-1586 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connectio...