#VU243 Denial of service in IBM AIX - CVE-2016-0281

Vulnerability identifier: #VU243

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-0281

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: IBM Corporation

Description
The vulnerability allows a remote attacker to cause the target adapter to crash.

The vulnerability exists in IBM AIX. A remote unauthenticated attacker can trigger a flaw in the mustendd device driver and cause the target IBM AIX FC5899/FC1763 adapter to crash by sending specially crafted packets to the target system.
        
Successful exploitation of this vulnerability may result in denial of service.

Mitigation
Install the latest versions:

5.3.12: IV84184
6.1.9: IV80569
7.1.3: IV82421
7.1.4: IV81459
7.2.0: IV81357

Vulnerable software versions

IBM AIX: 5.3 - 7.2

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External links
https://aix.software.ibm.com/aix/efixes/security/mustendd_advisory.asc

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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.