Juniper Junos OS/Junos OS Evolved Routing Protocol use after free

Summaryinfo

A vulnerability was found in Juniper Junos OS and Junos OS Evolved. It has been classified as problematic. Impacted is an unknown function of the component Routing Protocol Handler. This manipulation causes use after free. This vulnerability is handled as CVE-2023-28980. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Juniper Junos OS and Junos OS Evolved (Router Operating System) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Routing Protocol Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes). This issue affects: Juniper Networks Junos OS 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; 21.3 version 21.3R2 and later versions prior to 21.3R3; 21.4 versions prior to 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO.

The weakness was released 04/18/2023 as JSA70606. It is possible to read the advisory at supportportal.juniper.net. This vulnerability is known as CVE-2023-28980 since 03/29/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32598). Be aware that VulDB is the high quality source for vulnerability data.

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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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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