Operation on a resource after expiration or release in Junos OS Evolved and Juniper Junos OS



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22197
CWE-ID CWE-672
Exploitation vector Network
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 medium risk vulnerability.

1) Operation on a resource after expiration or release

EUVDB-ID: #VU82467

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-2022-22197

CWE-ID: CWE-672 - Operation on a Resource after Expiration or Release

Exploit availability: No

Description

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

The vulnerability exists due to operation on a resource after expiration or release error in the Routing Protocol Daemon (RPD). A remote non-authenticated attacker can cause a Denial of Service (DoS).

This issue occurs when proxy-generate route-target filtering is enabled, and certain proxy-route add and delete events are happening.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.1R1-EVO - 20.4

Juniper Junos OS: 17.3R1-S1 - 20.4

CPE2.3 External links

https://supportportal.juniper.net/s/article/2022-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-An-rpd-core-will-be-observed-with-proxy-BGP-route-target-filtering-enabled-and-certain-route-add-and-delete-event-happening-CVE-2022-22197


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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