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CVSS: 5.9EPSS: 3%CPEs: 3EXPL: 0

01 Aug 2022 — A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or printer) instead of client-supplied data. The client cannot control the area of the server memory written to the file (or printer). Se ha encontrado un fallo en Samba. Algunas solicitudes de escritura de SMB1 no son comprobaban correctamente para asegurar que el cliente había enviado suficientes da... • https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 6.8EPSS: 0%CPEs: 8EXPL: 0

10 May 2022 — A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share. Se ha encontrado un fallo en la forma en que Samba maneja los metadatos de los archivos/directorios. Este fallo permite a un atacante autenticado con permisos para leer o modificar los metadatos del recurso compartido, llevar a cabo esta operación fuera del recurso compartido. Red Hat Gluster Storage i... • https://access.redhat.com/security/cve/CVE-2021-20316 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0

21 Feb 2022 — All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed. Todas las versiones de Samba anteriores a 4.15.5, son vulnerables a que un cliente malicioso use un enlace simbólico del servidor para determinar si un archivo o directorio se presenta en un área del sistema de a... • https://security.gentoo.org/glsa/202309-06 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 9.9EPSS: 18%CPEs: 42EXPL: 3

01 Feb 2022 — The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root. El módulo vfs_fruit de S... • https://github.com/horizon3ai/CVE-2021-44142 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •

CVSS: 2.5EPSS: 0%CPEs: 1EXPL: 1

11 Jan 2022 — All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed. Todas las versiones de Samba anteriores a 4.13.16, son vulnerables a que un cliente malicioso use una carrera SMB1 o NFS para permitir la creación de un directorio en un área del sistema de ... • https://bugzilla.samba.org/show_bug.cgi?id=13979 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 8.5EPSS: 0%CPEs: 44EXPL: 0

11 Nov 2021 — A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation. Se encontró un fallo en la forma en que Samba mapea usuarios del dominio a usuarios locales. Un atacante autenticado podría usar este fallo para causar una posible escalada de privilegios Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext... • https://bugzilla.redhat.com/show_bug.cgi?id=2019672 • CWE-20: Improper Input Validation •

CVSS: 6.8EPSS: 0%CPEs: 43EXPL: 0

11 Nov 2021 — A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required. Se ha encontrado un fallo en la forma en que Samba implementa la autenticación SMB1. Un atacante podría usar este fallo para recuperar la contraseña en texto plano enviada a través del cable, incluso si es requerida la autenticación Kerberos Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client... • https://bugzilla.redhat.com/show_bug.cgi?id=2019660 • CWE-287: Improper Authentication •

CVSS: 6.5EPSS: 0%CPEs: 7EXPL: 0

12 Oct 2021 — A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server. Se ha encontrado una desreferencia de puntero null en la forma en que el servidor kerberos de Samba manejaba el sname faltante en TGS-REQ (Ticket Granting Server - Request). Un usuario autenticado podría usar este fallo para bloquear el servidor samba Isaac Boukris and Andrew Bartlett discovered that H... • https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C • CWE-476: NULL Pointer Dereference •

CVSS: 6.8EPSS: 0%CPEs: 8EXPL: 0

30 Apr 2021 — A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity. • https://bugzilla.redhat.com/show_bug.cgi?id=1949442 • CWE-125: Out-of-bounds Read •

CVSS: 4.3EPSS: 0%CPEs: 6EXPL: 0

02 Nov 2020 — A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker. Se encontró un fallo en la manera en que samba manejaba los permisos de archivos y directorios. Un usuario autenticado podría usar este fallo para conseguir acceso a determinada información de archivos y directorios que de otra manera no estaría disponible para el atacante A flaw... • https://bugzilla.redhat.com/show_bug.cgi?id=1892631 • CWE-266: Incorrect Privilege Assignment CWE-269: Improper Privilege Management •