CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2022-2031
https://notcve.org/view.php?id=CVE-2022-2031
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services. Se ha encontrado un fallo en Samba. Una vulnerabilidad de seguridad es producida cuando el KDC y el servicio kpasswd comparten una misma cuenta y un mismo conjunto de claves, lo que les permite descifrar los tickets del otro. • https://security.gentoo.org/glsa/202309-06 https://www.samba.org/samba/security/CVE-2022-2031.html • CWE-287: Improper Authentication CWE-288: Authentication Bypass Using an Alternate Path or Channel •
CVSS: 6.8EPSS: 0%CPEs: 8EXPL: 0CVE-2021-20316 – samba: Symlink race error can allow metadata read and modify outside of the exported share
https://notcve.org/view.php?id=CVE-2021-20316
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. • https://access.redhat.com/security/cve/CVE-2021-20316 https://bugzilla.redhat.com/show_bug.cgi?id=2009673 https://bugzilla.samba.org/show_bug.cgi?id=14842 https://security-tracker.debian.org/tracker/CVE-2021-20316 https://security.gentoo.org/glsa/202309-06 https://www.samba.org/samba/security/CVE-2021-20316.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-44141 – samba: Information leak via symlinks of existance of files or directories outside of the exported share
https://notcve.org/view.php?id=CVE-2021-44141
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 archivos del servidor no exportada bajo la definición de recurso compartido. SMB1 con extensiones unix debe estar habilitado para que este ataque tenga éxito A vulnerability was found in Samba due to an insecure link following. By querying a symlink inside the exported share using SMB1 with unix extensions turned on, an attacker can discover if a named or directory exists on the filesystem outside the exported share. • https://security.gentoo.org/glsa/202309-06 https://www.samba.org/samba/security/CVE-2021-44141.html https://access.redhat.com/security/cve/CVE-2021-44141 https://bugzilla.redhat.com/show_bug.cgi?id=2046120 • 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: 3CVE-2021-44142 – Samba fruit_pwrite Heap-based Buffer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-44142
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 Samba usa atributos de archivo extendidos (EA, xattr) para proporcionar "...compatibilidad mejorada con los clientes SMB de Apple e interoperabilidad con un servidor de archivos AFP de Netatalk 3". Samba versiones anteriores a 4.13.17, 4.14.12 y 4.15.5 con vfs_fruit configurado permiten una lectura y escritura fuera de límites de la pila por medio de atributos de archivo extendidos especialmente diseñados. • https://github.com/horizon3ai/CVE-2021-44142 https://github.com/gudyrmik/CVE-2021-44142 https://github.com/hrsman/Samba-CVE-2021-44142 https://bugzilla.samba.org/show_bug.cgi?id=14914 https://kb.cert.org/vuls/id/119678 https://security.gentoo.org/glsa/202309-06 https://www.samba.org/samba/security/CVE-2021-44142.html https://www.zerodayinitiative.com/blog/2022/2/1/cve-2021-44142-details-on-a-samba-code-execution-bug-demonstrated-at-pwn2own-austin https://access.redhat&# • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 2.5EPSS: 0%CPEs: 1EXPL: 1CVE-2021-43566
https://notcve.org/view.php?id=CVE-2021-43566
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 archivos del servidor no exportada bajo la definición del recurso compartido. Tenga en cuenta que SMB1 tiene que estar habilitado, o el recurso compartido también disponible por medio de NFS para que este ataque tenga éxito • https://bugzilla.samba.org/show_bug.cgi?id=13979 https://security.netapp.com/advisory/ntap-20220110-0001 https://www.samba.org/samba/security/CVE-2021-43566.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •