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CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0

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. Se encontró una falla de diseño en la implementación del control DirSync de Samba, que expone contraseñas y secretos en Active Directory a usuarios privilegiados y Controladores de Dominio de Solo Lectura (RODC). • https://access.redhat.com/security/cve/CVE-2023-4154 https://bugzilla.redhat.com/show_bug.cgi?id=2241883 https://bugzilla.samba.org/show_bug.cgi?id=15424 https://security.netapp.com/advisory/ntap-20231124-0002 https://www.samba.org/samba/security/CVE-2023-4154.html • CWE-787: Out-of-bounds Write •

CVSS: 5.3EPSS: 0%CPEs: 10EXPL: 0

A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the server-side absolute path of shares, files, and directories in the results for search queries. This flaw allows a malicious client or an attacker with a targeted RPC request to view the information that is part of the disclosed path. • https://access.redhat.com/errata/RHSA-2023:6667 https://access.redhat.com/errata/RHSA-2023:7139 https://access.redhat.com/errata/RHSA-2024:0423 https://access.redhat.com/errata/RHSA-2024:0580 https://access.redhat.com/security/cve/CVE-2023-34968 https://bugzilla.redhat.com/show_bug.cgi?id=2222795 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject. •

CVSS: 5.9EPSS: 29%CPEs: 9EXPL: 0

A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the object associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker process, affecting all other clients this worker serves. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Samba. • https://access.redhat.com/errata/RHSA-2023:6667 https://access.redhat.com/errata/RHSA-2023:7139 https://access.redhat.com/errata/RHSA-2024:0423 https://access.redhat.com/errata/RHSA-2024:0580 https://access.redhat.com/security/cve/CVE-2023-34967 https://bugzilla.redhat.com/show_bug.cgi?id=2222794 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject. • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') •

CVSS: 7.5EPSS: 12%CPEs: 9EXPL: 0

An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not validate a field in the network packet that contains the count of elements in an array-like structure. By passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a denial of service condition. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Samba. • https://access.redhat.com/errata/RHSA-2023:6667 https://access.redhat.com/errata/RHSA-2023:7139 https://access.redhat.com/errata/RHSA-2024:0423 https://access.redhat.com/errata/RHSA-2024:0580 https://access.redhat.com/errata/RHSA-2024:4101 https://access.redhat.com/security/cve/CVE-2023-34966 https://bugzilla.redhat.com/show_bug.cgi?id=2222793 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC https://lists.fedoraproje • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 5.9EPSS: 0%CPEs: 6EXPL: 0

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, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data. • https://access.redhat.com/errata/RHSA-2023:4325 https://access.redhat.com/errata/RHSA-2023:4328 https://access.redhat.com/security/cve/CVE-2023-3347 https://bugzilla.redhat.com/show_bug.cgi?id=2222792 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z https://security.netapp.com/advisory/ntap-20230731-0010 https://www • CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel •