CVE-2016-9566

Publication date 15 December 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file. NOTE: this can be leveraged by remote attackers using CVE-2016-9565.

Status

Package Ubuntu Release Status
nagios3 17.04 zesty
Fixed 3.5.1.dfsg-2.1ubuntu5
16.10 yakkety
Fixed 3.5.1.dfsg-2.1ubuntu3.1
16.04 LTS xenial
Fixed 3.5.1.dfsg-2.1ubuntu1.1
14.04 LTS trusty
Fixed 3.5.1-1ubuntu1.1
12.04 LTS precise Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nagios3

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references