CVE-2016-8641 - Improper Link Resolution Before File Access ('Link Following')

Severity

72%

Complexity

39%

Confidentiality

165%

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.

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 3.0 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

Nagios

First reported 6 years ago

2018-08-01 14:29:00

Last updated 5 years ago

2019-10-09 23:20:00

Affected Software

Nagios 4.2.0

4.2.0

Nagios 4.2.1

4.2.1

Nagios 4.2.2

4.2.2

Nagios 4.2.3

4.2.3

References

95121

Third Party Advisory, VDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8641

Issue Tracking, Patch, Third Party Advisory

https://github.com/NagiosEnterprises/nagioscore/commit/f2ed227673d3b2da643eb5cad26b2d87674f28c1.patch

Patch, Third Party Advisory

GLSA-201702-26

Third Party Advisory

40774

Exploit, Third Party Advisory, VDB Entry

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