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CVSS: 7.1EPSS: 0%CPEs: 76EXPL: 0

The PKI keys exported using the command "run request security pki key-pair export" on Junos OS may have insecure file permissions. This may allow another user on the Junos OS device with shell access to read them. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D180; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2. Las claves PKI exportadas utilizando el comando "run request security pki key-pair export" en el Junos OS pueden tener permisos de archivo no seguros. Esto puede permitir que otro usuario sobre el dispositivo con sistema operativo Junos con acceso de shell pueda leerlos. • https://kb.juniper.net/JSA10974 • CWE-281: Improper Preservation of Permissions CWE-732: Incorrect Permission Assignment for Critical Resource •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

Veriexec is a kernel-based file integrity subsystem in Junos OS that ensures only authorized binaries are able to be executed. Due to a flaw in specific versions of Junos OS, affecting specific EX Series platforms, the Veriexec subsystem will fail to initialize, in essence disabling file integrity checking. This may allow a locally authenticated user with shell access to install untrusted executable images, and elevate privileges to gain full control of the system. During the installation of an affected version of Junos OS are installed, the following messages will be logged to the console: Initializing Verified Exec: /sbin/veriexec: Undefined symbol "__aeabi_uidiv" /sbin/veriexec: Undefined symbol "__aeabi_uidiv" /sbin/veriexec: Undefined symbol "__aeabi_uidiv" veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/brcm-hr3.dtb: Authentication error veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/contents.izo: Authentication error ... This issue affects Juniper Networks Junos OS: 18.1R3-S4 on EX2300, EX2300-C and EX3400; 18.3R1-S3 on EX2300, EX2300-C and EX3400. • https://kb.juniper.net/JSA10978 https://www.juniper.net/documentation/en_US/junos/topics/concept/veriexec.html • CWE-347: Improper Verification of Cryptographic Signature CWE-354: Improper Validation of Integrity Check Value •

CVSS: 8.8EPSS: 0%CPEs: 4EXPL: 0

An Improper Input Validation weakness allows a malicious local attacker to elevate their permissions to take control of other portions of the NFX platform they should not be able to access, and execute commands outside their authorized scope of control. This leads to the attacker being able to take control of the entire system. This issue affects: Juniper Networks Junos OS versions prior to 18.2R1 on NFX Series. Una debilidad de Validación de Entrada Inapropiada permite a un atacante local malicioso elevar sus permisos para tomar el control de otras partes de la plataforma NFX a las que no debería poder acceder y ejecutar comandos fuera de su alcance de control autorizado. Esto conlleva al atacante a tomar el control de todo el sistema. • https://kb.juniper.net/JSA10977 • CWE-20: Improper Input Validation •

CVSS: 5.9EPSS: 0%CPEs: 223EXPL: 0

On EX4600, QFX5100 Series, NFX Series, QFX10K Series, QFX5110, QFX5200 Series, QFX5110, QFX5200, QFX10K Series, vSRX, SRX1500, SRX4000 Series, vSRX, SRX1500, SRX4000, QFX5110, QFX5200, QFX10K Series, when the user uses console management port to authenticate, the credentials used during device authentication are written to a log file in clear text. This issue does not affect users that are logging-in using telnet, SSH or J-web to the management IP. This issue affects ACX, NFX, SRX, EX and QFX platforms with the Linux Host OS architecture, it does not affect other SRX and EX platforms that do not use the Linux Host OS architecture. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D110 on vSRX, SRX1500, SRX4000 Series; 15.1X53 versions prior to 15.1X53-D234 on QFX5110, QFX5200 Series; 15.1X53 versions prior to 15.1X53-D68 on QFX10K Series; 17.1 versions prior to 17.1R2-S8, 17.1R3, on QFX5110, QFX5200, QFX10K Series; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6, 17.2R3 on QFX5110, QFX5200, QFX10K Series; 17.3 versions prior to 17.3R2 on vSRX, SRX1500, SRX4000, QFX5110, QFX5200, QFX10K Series; 14.1X53 versions prior to 14.1X53-D47 on ACX5000, EX4600, QFX5100 Series; 15.1 versions prior to 15.1R7 on ACX5000, EX4600, QFX5100 Series; 16.1R7 versions prior to 16.1R7 on ACX5000, EX4600, QFX5100 Series; 17.1 versions prior to 17.1R2-S10, 17.1R3 on ACX5000, EX4600, QFX5100 Series; 17.2 versions prior to 17.2R3 on ACX5000, EX4600, QFX5100 Series; 17.3 versions prior to 17.3R3 on ACX5000, EX4600, QFX5100 Series; 17.4 versions prior to 17.4R2 on ACX5000, EX4600, QFX5100 Series; 18.1 versions prior to 18.1R2 on ACX5000, EX4600, QFX5100 Series; 15.1X53 versions prior to 15.1X53-D496 on NFX Series, 17.2 versions prior to 17.2R3-S1 on NFX Series; 17.3 versions prior to 17.3R3-S4 on NFX Series; 17.4 versions prior to 17.4R2-S4, 17.4R3 on NFX Series, 18.1 versions prior to 18.1R3-S4 on NFX Series; 18.2 versions prior to 18.2R2-S3, 18.2R3 on NFX Series; 18.3 versions prior to 18.3R1-S3, 18.3R2 on NFX Series; 18.4 versions prior to 18.4R1-S1, 18.4R2 on NFX Series. En EX4600, QFX5100 Series, NFX Series, QFX10K Series, QFX5110, QFX5200 Series, QFX5110, QFX5200, QFX10K Series, vSRX, SRX1500, SRX4000 Series, vSRX, SRX1500, SRX4000, QFX5110, QFX5200, QFX10K Series, cuando el usuario utiliza el puerto de administración de la consola para autenticar, las credenciales usadas durante la autenticación del dispositivo son escritas en un archivo de registro en texto sin cifrar. • https://kb.juniper.net/JSA10969 • CWE-319: Cleartext Transmission of Sensitive Information •

CVSS: 7.5EPSS: 0%CPEs: 301EXPL: 0

The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2. El proceso flowd SRX, responsable del reenvío de paquetes, puede bloquearse y reiniciarse cuando se procesan paquetes de multidifusión específicos. Mediante el envío de manera continua de los paquetes de multidifusión específicos, un atacante puede bloquear repetidamente el proceso flowd causando una Denegación de Servicio sostenida. • https://kb.juniper.net/JSA10968 • CWE-754: Improper Check for Unusual or Exceptional Conditions •