Memory leak in Junos OS Evolved and Juniper Junos OS



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22240
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Junos OS Evolved
Operating systems & Components / Operating system

Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU82508

Risk: Low

CVSSv4.0: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2022-22240

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO - 21.3-EVO

Juniper Junos OS: 19.4R1-S1 - 21.3R1

CPE2.3 External links

https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-An-rpd-memory-leak-might-be-observed-while-running-a-specific-cli-command-in-a-RIB-sharding-scenario-CVE-2022-22240


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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