Main Vulnerability Database Vulnerabilities #VU75131

Input validation error in Junos OS and Junos OS Evolved - CVE-2023-28981

Published: April 14, 2023

Vulnerability identifier: #VU75131

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-28981

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the kernel. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Affected software

Junos OS
Junos OS Evolved

How to mitigate CVE-2023-28981

Install updates from vendor's website.

Junos OS - addressed in versions 20.3R3-S5, 20.4R3-S3, 21.1R3-S4, 21.2R3, 21.3R3, 21.4R2, 22.1R2, 22.2R1
Junos OS Evolved - addressed in versions 20.4R3-S6-EVO, 21.3R3-EVO, 21.4R2-EVO, 22.1R2-EVO, 22.2R1-EVO

External References

https://supportportal.juniper.net/s/article/2023-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-If-malformed-IPv6-router-advertisements-are-received-memory-corruption-will-occur-which-causes-an-rpd-crash-CVE-2023-28981

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