Main Vulnerability Database SB2023011190

SB2023011190 - Memory leak in Juniper Junos OS

Published: January 11, 2023

Security Bulletin ID SB2023011190

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) Memory leak (CVE-ID: CVE-2023-22417)

CWE-ID: CWE-401 - Missing release of memory after effective 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 non-authenticated attacker to perform a denial of service (DoS) attack.

A Missing Release of Memory after Effective Lifetime vulnerability in the Flow Processing Daemon (flowd) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

In an IPsec VPN environment, a memory leak will be seen if a DH or ECDH group is configured.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2023-01-Security-Bulletin-Junos-OS-vSRX-Series-A-memory-leak-might-be-observed-in-IPsec-VPN-scenario-leading-to-an-FPC-crash-CVE-2023-22417