Privilege escalation in IBM AIX



Published: 2016-10-18 | Updated: 2018-09-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-3053
CWE-ID CWE-264
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		IBM AIX
Operating systems & Components / Operating system

IBM VIOS
Server applications / Application servers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU1022

Risk: Low

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

CVE-ID: CVE-2016-3053

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a local user to obtain elevated privileges.
The vulnerability exists due to unspecified flaw in lsmcode. A local user can obtain root privileges on the system.
Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges on vulnerable system.

Mitigation

Update fixed versions:
http://aix.software.ibm.com/aix/efixes/security/lsmcode_fix2.tar

Vulnerable software versions

IBM AIX: 6.1 - 7.2

IBM VIOS: 2.2.0

External links

http://aix.software.ibm.com/aix/efixes/security/lsmcode_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. However, proof of concept for this vulnerability is available.



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