CVE-2018-10918
https://notcve.org/view.php?id=CVE-2018-10918
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable. Se ha detectado una vulnerabilidad de desreferencia de puntero NULL en la manera en la que samba comprobaba las salidas de la base de datos desde la capa de la base de datos LDB. Un atacante autenticado podría utilizar esta vulnerabilidad para provocar el cierre inesperado de un servidor samba en una configuración Active Directory Domain Controller. • http://www.securityfocus.com/bid/105083 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918 https://security.gentoo.org/glsa/202003-52 https://security.netapp.com/advisory/ntap-20180814-0001 https://usn.ubuntu.com/3738-1 https://www.samba.org/samba/security/CVE-2018-10918.html • CWE-476: NULL Pointer Dereference •
CVE-2018-1139 – samba: Weak authentication protocol regression
https://notcve.org/view.php?id=CVE-2018-1139
A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client. Se ha detectado un fallo en la manera en la que samba en versiones anteriores a la 4.7.9 y 4.8.4 permitía el uso de la autenticación NTLMv1 débil incluso cuando NTLMv1 estaba explícitamente deshabilitado. Un atacante Man-in-the-Middle (MitM) podría utilizar este fallo para leer la credencial y otros detalles pasados entre el servidor y cliente de samba. A flaw was found in the way samba allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. • http://www.securityfocus.com/bid/105084 https://access.redhat.com/errata/RHSA-2018:2612 https://access.redhat.com/errata/RHSA-2018:2613 https://access.redhat.com/errata/RHSA-2018:3056 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139 https://security.gentoo.org/glsa/202003-52 https://security.netapp.com/advisory/ntap-20180814-0001 https://usn.ubuntu.com/3738-1 https://www.samba.org/samba/security/CVE-2018-1139.html https://access.redhat.com/security/cve/CV • CWE-20: Improper Input Validation CWE-522: Insufficiently Protected Credentials •
CVE-2018-10919
https://notcve.org/view.php?id=CVE-2018-10919
The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks. An authenticated attacker could use this flaw to extract confidential attribute values using LDAP search expressions. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable. El servidor Samba Active Directory LDAP era vulnerable a una divulgación de información debido a la ausencia de comprobaciones de control de acceso. Un atacante autenticado podría utilizar este fallo para extraer valores de atributo confidenciales utilizando expresiones de búsqueda LDAP. • http://www.securityfocus.com/bid/105081 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10919 https://security.gentoo.org/glsa/202003-52 https://security.netapp.com/advisory/ntap-20180814-0001 https://usn.ubuntu.com/3738-1 https://www.debian.org/security/2018/dsa-4271 https://www.samba.org/samba/security/CVE-2018-10919.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •
CVE-2018-10858 – samba: Insufficient input validation in libsmbclient
https://notcve.org/view.php?id=CVE-2018-10858
A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable. Se ha descubierto un desbordamiento de búfer en la manera en la que los clientes de samba procesaban nombres de archivo excesivamente largos en un listado de directorios. Un servidor samba malicioso podría utilizar este defecto para provocar la ejecución de código arbitrario en un cliente de samba. • http://www.securityfocus.com/bid/105085 http://www.securitytracker.com/id/1042002 https://access.redhat.com/errata/RHSA-2018:2612 https://access.redhat.com/errata/RHSA-2018:2613 https://access.redhat.com/errata/RHSA-2018:3056 https://access.redhat.com/errata/RHSA-2018:3470 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10858 https://kc.mcafee.com/corporate/index?page=content&id=SB10284 https://security.gentoo.org/glsa/202003-52 https://security.netapp.com/advisory • CWE-20: Improper Input Validation CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2018-5391 – The Linux kernel, versions 3.9+, IP implementation is vulnerable to denial of service conditions with low rates of specially modified packets
https://notcve.org/view.php?id=CVE-2018-5391
The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size. El kernel de Linux en versiones a partir de la 3.9 es vulnerable a un ataque de denegación de servicio (DoS) con tasas bajas de paquetes especialmente modificados que apuntan hacia el reensamblado de fragmentos de IP. • http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-linux-en http://www.openwall.com/lists/oss-security/2019/06/28/2 http://www.openwall.com/lists/oss-security/2019/07/06/3 http://www.openwall.com/lists/oss-security/2019/07/06/4 http://www.securityfocus.com/bid/105108 http://www.securitytracker.com/id/1041476 http://www.securitytracker.com/id/1041637 https://access.redhat.co • CWE-20: Improper Input Validation CWE-400: Uncontrolled Resource Consumption •