#VU821 Privilege Escalation in Oracle Linux - CVE-2016-5425

Vulnerability identifier: #VU821

Vulnerability risk: High

CVSSv4.0: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2016-5425

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Oracle Linux
Operating systems & Components / Operating system

Vendor: Oracle

Description

The vulnerability allows a local user to obtain elevated privileges on the target system.

The vulnerability exists due to access contror error. A malicious user with 'tomcat' user privileges can modify the 'tomcat.conf'that will let him execute arbitrary commands with root privileges.

Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges that may lead to vulnerable system compromising.

Vulnerable software versions

Oracle Linux: 7

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External links
https://legalhackers.com/advisories/Tomcat-RedHat-Pkgs-Root-PrivEsc-Exploit-CVE-2016-5425.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html

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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, a fully functional exploit for this vulnerability is available.