Memory leak in Junos OS - CVE-2023-22395
Published: January 11, 2023
Vulnerability identifier: #VU82487
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-2023-22395
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 allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).
In an MPLS scenario specific packets destined to an Integrated Routing and Bridging (irb) interface of the device will cause a buffer (mbuf) to leak.
Affected software
Junos OS
How to mitigate CVE-2023-22395
Install updates from vendor's website.
Junos OS - addressed in versions 19.3R3-S7, 19.4R3-S9, 20.2R3-S5, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3-S1, 21.4R3, 22.1R2, 22.2R1