Main Vulnerability Database SB2025011008

SB2025011008 - Remote denial of service in Junos OS and Junos OS Evolved rpd

Published: January 10, 2025

Security Bulletin ID SB2025011008

CSH Severity

Medium

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 vulnerability.

1) Improper control of a resource through its lifetime (CVE-ID: CVE-2025-21593)

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to an improper control of a resource through its lifetime in the routing protocol daemon (rpd). A remote attacker can send a malformed BGP UPDATE packet to the affected device and perform a denial of service attack.

The vulnerability affects iBGP and eBGP, and both IPv4 and IPv6 protocols.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2025-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-On-SRv6-enabled-devices-an-attacker-sending-a-malformed-BGP-update-can-cause-the-rpd-to-crash-CVE-2025-21593