Juniper Junos OS/Junos OS Evolved rpd memory leak

Summaryinfo

A vulnerability identified as critical has been detected in Juniper Junos OS and Junos OS Evolved. This affects an unknown function of the component rpd. The manipulation leads to memory leak. This vulnerability is documented as CVE-2024-21613. The attack requires being on the local network. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS and Junos OS Evolved (Router Operating System) (affected version not known) and classified as critical. This issue affects some unknown functionality of the component rpd. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

A Missing Release of Memory after Effective Lifetime vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause an rpd crash, leading to Denial of Service (DoS). On all Junos OS and Junos OS Evolved platforms, when traffic engineering is enabled for OSPF or ISIS, and a link flaps, a patroot memory leak is observed. This memory leak, over time, will lead to an rpd crash and restart. The memory usage can be monitored using the below command. user@host> show task memory detail | match patroot This issue affects: Juniper Networks Junos OS * All versions earlier than 21.2R3-S3; * 21.3 versions earlier than 21.3R3-S5; * 21.4 versions earlier than 21.4R3-S3; * 22.1 versions earlier than 22.1R3; * 22.2 versions earlier than 22.2R3. Juniper Networks Junos OS Evolved * All versions earlier than 21.3R3-S5-EVO; * 21.4 versions earlier than 21.4R3-EVO; * 22.1 versions earlier than 22.1R3-EVO; * 22.2 versions earlier than 22.2R3-EVO.

The weakness was released 01/12/2024 as JSA75754. It is possible to read the advisory at supportportal.juniper.net. The identification of this vulnerability is CVE-2024-21613 since 12/27/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos OS
• Junos OS Evolved

License

• commercial

Website

• Vendor: https://www.juniper.net/

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