CVE-2016-8641 Information

Description

A privilege escalation vulnerability was found in nagios 4.2.x that occurs in daemon-init.in when creating necessary files and insecurely changing the ownership afterwards. It’s possible for the local attacker to create symbolic links before the files are to be created and possibly escalating the privileges with the ownership change.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/95121 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8641 https://github.com/NagiosEnterprises/nagioscore/commit/f2ed227673d3b2da643eb5cad26b2d87674f28c1.patch https://security.gentoo.org/glsa/201702-26 https://www.exploit-db.com/exploits/40774/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8