Denial of service in Junos OS Evolved FPC



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22211
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Junos OS Evolved
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU68279

Risk: Medium

CVSSv4.0: 6.6 [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]

CVE-ID: CVE-2022-22211

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in FPC. A remote attacker can force continuous polling of the SNMP jnxCosQstatTable and causes the FPC to run out of GUID space.

The vulnerability affects Juniper Networks Junos OS Evolved on PTX Series.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO - 22.2-EVO

CPE2.3 External links

https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-Evolved-PTX-Series-Multiple-FPCs-become-unreachable-due-to-continuous-polling-of-specific-SNMP-OID-CVE-2022-22211


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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