Vulnerability identifier: #VU61036

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22351

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
IBM AIX
Operating systems & Components / Operating system

Vendor: IBM Corporation

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the nimsh daemon. A remote attacker can send specially crafted input to another trusted host and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM AIX: 7.1 - 7.3

---

External links
http://aix.software.ibm.com/aix/efixes/security/nimsh_advisory.asc

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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