#VU8079 Privilege escalation in IBM AIX - CVE-2017-1376

Vulnerability identifier: #VU8079

Vulnerability risk: Low

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-1376

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 gain elevated privileges.

The weakness exists due to a flaw in the IBM J9 VM class verifier. A remote attacker can supply a specially crafted untrusted code to disable the security manager and escalate his privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM AIX: 5.3 - 7.2

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External links
https://aix.software.ibm.com/aix/efixes/security/java_july2017_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.