Memory leak in Junos OS and Junos OS Evolved - CVE-2023-22406
Published: January 11, 2023
Vulnerability identifier: #VU82474
CSH Severity: Medium
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-2023-22406
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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 kernel of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).
In a segment-routing scenario with OSPF as IGP, when a peer interface continuously flaps, next-hop churn will happen and a continuous increase in Routing Protocol Daemon (rpd) memory consumption will be observed.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2023-22406
Install updates from vendor's website.
Junos OS - addressed in versions 19.3R3-S7, 19.4R2-S8, 19.4R3-S9, 20.2R3-S5, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3-S1, 21.4R2-S1, 21.4R3, 22.1R2, 22.2R1
Junos OS Evolved - addressed in versions 20.4R3-S4-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO, 22.2R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S4-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO, 22.2R1-EVO