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CVSS: 8.3EPSS: 0%CPEs: 188EXPL: 0

Heap-based buffer overflow in the dcerpc_read_ncacn_packet_done function in librpc/rpc/dcerpc_util.c in winbindd in Samba 3.x before 3.6.22, 4.0.x before 4.0.13, and 4.1.x before 4.1.3 allows remote AD domain controllers to execute arbitrary code via an invalid fragment length in a DCE-RPC packet. Desbordamiento de búfer en la función dcerpc_read_ncacn_packet_done en librpc/rpc/dcerpc_util.c en winbindd en Samba 3.x anterior a 3.6.22, 4.0.x anterior a 4.0.13 y 4.1.x anterior a 4.1.3 que permite a los controladores de dominio de AD remotos ejecutar código arbitrario a través de una longitud erroenea de los fragmentos de un paquete de DCE-RPC. • http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html http://lists.opensuse.org/opensuse-updates/2014-03/msg00063. • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •

CVSS: 3.6EPSS: 0%CPEs: 9EXPL: 2

The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging an administrator's pam_winbind configuration-file mistake. La función winbind_name_list_to_sid_string_list en nsswitch/pam_winbind.c en Samba hasta v4.1.2 maneja nombres de grupo require_membership_of inválidos aceptando autenticación de cualquier usuario, lo cual permite a usuarios autenticados remotamente sortear restricciones de acceso en circunstancias oportunistas mediante el aprovechamiento de un error en el fichero de configuración de administración pam_winbind. • http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html http://lists.opensuse.org/opensuse-updates/2014-03/msg00063. • CWE-20: Improper Input Validation •

CVSS: 4.1EPSS: 0%CPEs: 10EXPL: 0

Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS). Samba 3.x anteriores a 3.6.20, 4.0.x anteriores a 4.0.11, y 4.1.x anteriores a 4.1.1, cuando vfs_streams_depot o vfs_streams_xattr está activo, permite a atacantes remotos sortear restricciones de fichero aprovechando diferencias en las ACL entre un fichero un "alternate data stream" (ADS) asociado. • http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html http://lists.opensuse.org/opensuse-updates/2013-11/msg00083.html http://lists.opensuse.org/opensuse-updates/2013-11/msg00115.html http://lists.opensuse.org/opensuse-updates/2013-11/msg00117.html http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html http://rhn.redhat.com/errata/RHSA-2013-1806.html http://rhn.redhat.com/errata • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 5.0EPSS: 96%CPEs: 177EXPL: 1

Integer overflow in the read_nttrans_ea_list function in nttrans.c in smbd in Samba 3.x before 3.5.22, 3.6.x before 3.6.17, and 4.x before 4.0.8 allows remote attackers to cause a denial of service (memory consumption) via a malformed packet. Desbordamiento de entero en la función read_nttrans_ea_list en nttrans.c en smbd en Samba v3.x anterior a v3.5.22, v3.6.x anterior a v3.6.17, y v4.x anterior a v4.0.8 permite a atacantes remotos causar una denegación de servicio (por excesivo consumo de memoria) a través de un paquete con formato erróneo. Integer overflow in the read_nttrans_ea_list function in nttrans.c in smbd in Samba 3.x before 3.5.22, 3.6.x before 3.6.17, and 4.x before 4.0.8 allows remote attackers to cause a denial of service (memory consumption) via a malformed packet. Important Note: in order to work, the "ea support" option on the target share must be enabled. • https://www.exploit-db.com/exploits/27778 http://archives.neohapsis.com/archives/bugtraq/2013-08/0028.html http://ftp.samba.org/pub/samba/patches/security/samba-4.0.7-CVE-2013-4124.patch http://lists.fedoraproject.org/pipermail/package-announce/2013-August/113591.html http://lists.fedoraproject.org/pipermail/package-announce/2013-August/114011.html http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00012&# • CWE-189: Numeric Errors CWE-190: Integer Overflow or Wraparound •

CVSS: 4.0EPSS: 0%CPEs: 9EXPL: 0

The SMB2 implementation in Samba 3.6.x before 3.6.6, as used on the IBM Storwize V7000 Unified 1.3 before 1.3.2.3 and 1.4 before 1.4.0.1 and possibly other products, does not properly enforce CIFS share attributes, which allows remote authenticated users to (1) write to a read-only share; (2) trigger data-integrity problems related to the oplock, locking, coherency, or leases attribute; or (3) have an unspecified impact by leveraging incorrect handling of the browseable or "hide unreadable" parameter. Samba anterior a v3.6.6, tal como se utiliza en el IBM Storwize V7000 Unified v1.3 anterior a v1.3.2.3, y v1.4 anterior a v1.4.0.1 y posiblemente otros productos, no se aplican correctamente los atributos de CIFS de compartición, lo que permite a usuarios remotos autenticados para (1) escribir en un participación de sólo lectura, (2) disparar problemas de integridad de datos relacionados con la operación de bloqueo, bloqueo, coherencia, arrendamiento de atributo, o (3) tener un impacto no especificado mediante el aprovechamiento de la manipulación incorrecta del parámetro "hide unreadable". • http://www.ibm.com/support/docview.wss?uid=ssg1S1004289 http://www.ubuntu.com/usn/USN-1802-1 https://bugzilla.redhat.com/show_bug.cgi?id=928419 https://bugzilla.samba.org/show_bug.cgi?id=8738 https://exchange.xforce.ibmcloud.com/vulnerabilities/80970 https://lists.samba.org/archive/samba-announce/2012/000259.html https://www.samba.org/samba/security/CVE-2013-0454 • CWE-264: Permissions, Privileges, and Access Controls •