Memory leak in Junos OS and Junos OS Evolved - CVE-2022-22240
Published: October 12, 2022
Vulnerability identifier: #VU82508
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22240
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
An Allocation of Resources Without Limits or Throttling and a Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated low privileged attacker to cause a Denial of Sevice (DoS).
In a high-scaled BGP routing environment with rib-sharding enabled, two issues may occur when executing a specific CLI command.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2022-22240
Install updates from vendor's website.
Junos OS - addressed in versions 19.4R3-S9, 20.2R3-S5, 20.3R3-S2, 20.4R3-S1, 21.1R3, 21.2R1-S2, 21.2R2-S1, 21.2R3, 21.3R2, 21.4R1
Junos OS Evolved - addressed in versions 20.4R3-S1-EVO, 21.2R1-S2-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S1-EVO, 21.2R1-S2-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO