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

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 • https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C https://bugzilla.samba.org/show_bug.cgi?id=14770%2C https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html https://security.netapp.com/advisory/ntap-20221215-0002 https://security.netapp.com/advisory/ntap-20230216-0008 https://www.debian.org/security/2022/dsa-5287 • CWE-476: NULL Pointer Dereference •

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

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 https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3EP2VJ73OVBPVSOSTVOMGIEQA3MWF6F7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZAF6L2M6CNAJ2YYYGXPWETTW5YLCWTVT https://security.gentoo.org/glsa/202105-22 https://security.netapp.com/advisory/ntap-20210430-0001 https://www.samba.org/samba/security/CVE-2021-20254 • CWE-125: Out-of-bounds Read •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability. Se ha encontrado un fallo en samba. Los espacios usados en una cadena alrededor de un nombre de dominio (DN), aunque se supone que deben ser ignorados, pueden causar cadenas DN no válidas con espacios en lugar de escribir un byte cero en la memoria fuera de límites, resultando en un bloqueo. • https://bugzilla.redhat.com/show_bug.cgi?id=1941400 https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24 https://security.gentoo.org/glsa/202105-22 ht • CWE-125: Out-of-bounds Read •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability. Se encontró un fallo en libldb de Samba. Múltiples espacios iniciales consecutivos en un atributo LDAP pueden conllevar a una escritura de memoria fuera de los límites, conllevando a un bloqueo del proceso del servidor LDAP que maneja la petición. • https://bugzilla.redhat.com/show_bug.cgi?id=1941402 https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24 https://security.gentoo.org/glsa/202105-22 ht • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •

CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1

The samba-client package before 4.0.0 for Node.js allows command injection because of the use of process.exec. El paquete samba-client versiones anteriores a 4.0.0 para Node.js, permite una inyección de comandos debido al uso del archivo process.exec • https://advisory.checkmarx.net/advisory/CX-2021-4302 https://github.com/eflexsystems/node-samba-client/commit/5bc3bbad9b8d02243bc861a11ec73f788fbb1235 https://github.com/eflexsystems/node-samba-client/releases/tag/4.0.0 https://security.netapp.com/advisory/ntap-20210319-0002 https://www.npmjs.com/package/samba-client • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •