National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-9566 Detail

Current 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.

Source:  MITRE
Description Last Modified:  12/15/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2017-0211.html
http://rhn.redhat.com/errata/RHSA-2017-0212.html
http://rhn.redhat.com/errata/RHSA-2017-0213.html
http://rhn.redhat.com/errata/RHSA-2017-0214.html
http://rhn.redhat.com/errata/RHSA-2017-0258.html
http://rhn.redhat.com/errata/RHSA-2017-0259.html
http://seclists.org/fulldisclosure/2016/Dec/58 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94919 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037487
https://bugzilla.redhat.com/show_bug.cgi?id=1402869 Issue Tracking
https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4 Issue Tracking Patch
https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html Exploit Third Party Advisory
https://security.gentoo.org/glsa/201612-51
https://security.gentoo.org/glsa/201702-26
https://security.gentoo.org/glsa/201710-20
https://www.exploit-db.com/exploits/40921/
https://www.nagios.org/projects/nagios-core/history/4x/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)
  • Link Following (CWE-59)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:nagios:nagios:*:*:*:*:*:*:*:*    versions up to (including) 4.2.3

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9566
NVD Published Date:
12/15/2016
NVD Last Modified:
01/04/2018