Denial of service in Junos OS snmpd

1) Release of invalid pointer or reference

EUVDB-ID: #VU59634

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22177

CWE-ID: CWE-763 - Release of invalid pointer or reference

Exploit availability: No

Description

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

The vulnerability exists due to release of illegal memory vulnerability in the snmpd daemon. A remote attacker can send specially SNMP packets to the snmpd daemon and crash it, resulting in a denial of service (DoS) attack.

Note, all SNMP version requests are affected.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 12.3 - 21.2R1-S1

Junos OS Evolved: 21.2-EVO - 21.3R1-S1-EVO

External links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11283&cat=SIRT_1&actp=LIST

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.