CVE-2024-21604

An Allocation of Resources Without Limits or Throttling vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). If a high rate of specific valid packets are processed by the routing engine (RE) this will lead to a loss of connectivity of the RE with other components of the chassis and thereby a complete and persistent system outage. Please note that a carefully designed lo0 firewall filter will block or limit these packets which should prevent this issue from occurring. The following log messages can be seen when this issue occurs: <host> kernel: nf_conntrack: nf_conntrack: table full, dropping packet This issue affects Juniper Networks Junos OS Evolved: * All versions earlier than 20.4R3-S7-EVO; * 21.2R1-EVO and later versions; * 21.4-EVO versions earlier than 21.4R3-S5-EVO; * 22.1-EVO versions earlier than 22.1R3-S2-EVO; * 22.2-EVO versions earlier than 22.2R3-EVO; * 22.3-EVO versions earlier than 22.3R2-EVO; * 22.4-EVO versions earlier than 22.4R2-EVO.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://supportportal.juniper.net/JSA75745	Vendor Advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L	Third Party Advisory
https://supportportal.juniper.net/JSA75745	Vendor Advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s3::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s4::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s5::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s6::::::

Configuration 2 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:21.4:-::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r3::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3::::::
	cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s4::::::

Configuration 3 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:22.1:-::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r2::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r2-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r3::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.1:r3-s1::::::

Configuration 4 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:22.2:-::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.2:r1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.2:r2::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s2::::::

Configuration 5 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:22.3:-::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.3:r1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s2::::::

Configuration 6 (hide)

OR	cpe:2.3:o:juniper:junos_os_evolved:22.4:-::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.4:r1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s1::::::
	cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s2::::::

History

21 Nov 2024, 08:54

Type	Values Removed	Values Added
References	~~() https://supportportal.juniper.net/JSA75745 - Vendor Advisory~~	() https://supportportal.juniper.net/JSA75745 - Vendor Advisory
References	~~() https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L - Third Party Advisory~~	() https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L - Third Party Advisory

19 Jan 2024, 22:56

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-12 01:15

Updated : 2024-11-21 08:54

NVD link : CVE-2024-21604

Mitre link : CVE-2024-21604

CVE.ORG link : CVE-2024-21604

JSON object : View

Products Affected

juniper

junos_os_evolved

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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Please note that a carefully designed lo0 firewall filter will block or limit these packets which should prevent this issue from occurring.\n\nThe following log messages can be seen when this issue occurs:\n\n<host> kernel: nf_conntrack: nf_conntrack: table full, dropping packet\nThis issue affects Juniper Networks Junos OS Evolved:\n\n\n\n * All versions earlier than 20.4R3-S7-EVO;\n * 21.2R1-EVO and later versions;\n * 21.4-EVO versions earlier than 21.4R3-S5-EVO;\n * 22.1-EVO versions earlier than 22.1R3-S2-EVO;\n * 22.2-EVO versions earlier than 22.2R3-EVO;\n * 22.3-EVO versions earlier than 22.3R2-EVO;\n * 22.4-EVO versions earlier than 22.4R2-EVO.\n\n\n\n\n\n\n"}, {"lang": "es", "value": "Una vulnerabilidad de asignaci\u00f3n de recursos sin l\u00edmites ni limitaci\u00f3n en el kernel de Juniper Networks Junos OS Evolved permite que un atacante no autenticado basado en la red provoque una denegaci\u00f3n de servicio (DoS). Si el motor de enrutamiento (RE) procesa una alta tasa de paquetes v\u00e1lidos espec\u00edficos, esto provocar\u00e1 una p\u00e9rdida de conectividad del RE con otros componentes del chasis y, por lo tanto, una interrupci\u00f3n completa y persistente del sistema. Tenga en cuenta que un filtro de firewall lo0 cuidadosamente dise\u00f1ado bloquear\u00e1 o limitar\u00e1 estos paquetes, lo que deber\u00eda evitar que ocurra este problema. Los siguientes mensajes de registro se pueden ver cuando ocurre este problema: kernel: nf_conntrack: nf_conntrack: table full, dropping packet. 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"sourceIdentifier": "sirt@juniper.net"}

7.5 /10