Local denial of service in IBM AIX SMB client



Published: 2022-12-27
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-43381
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
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IBM AIX
Operating systems & Components / Operating system

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU70490

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43381

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in AIX SMB client daemon. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM AIX: 7.1 - 7.3.0.1

External links

http://www.ibm.com/support/pages/node/6851443
http://aix.software.ibm.com/aix/efixes/security/smbcd_advisory2.asc


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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