SB2016121601 - Privilege escalation in Nagios

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2016121601

SB2016121601 - Privilege escalation in Nagios

Published: December 16, 2016

Security Bulletin ID SB2016121601
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Symlink attack (CVE-ID: CVE-2016-9566)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Clear


The vulnerability allows a local user obtain elevated privileges on vulnerable system.

The vulnerability exists due to the application handles log files in unsafe manner. A local user with access to Nagios application (nagios account or member of nagios group) can cerate a specially crafted symlink to nagios log file and execute arbitrary command on vulnerable system with root privileges.

Successful exploitation of this vulnerability may allow a local user to obtain full access to vulnerable system.


Remediation

Install update from vendor's website.

References