Meinberg NTP Time Server security updates

Number: AV16-110
Date: 7 July 2016

Purpose

This advisory is to bring attention to a recently released Meinberg NTP firmware update addressing multiple vulnerabilities.

Assessment

A firmware update was released for Meinberg NTP Time Server to address multiple vulnerabilities (high).  Exploitation of these vulnerabilities may permit a malicious attacker to write to unspecified scripts with root user privilege, which can allow for the unauthorized disclosure and/or modification of sensitive data.

CVE References: CVE-2016-3962, CVE-2016-3988, CVE-2016-3989

Versions affected:

• IMS-LANTIME M3000 versions 6.0 and earlier
• IMS-LANTIME M1000 versions 6.0 and earlier
• IMS-LANTIME M500 versions 6.0 and earlier
• LANTIME M900 versions 6.0 and earlier
• LANTIME M600 versions 6.0 and earlier
• LANTIME M400 versions 6.0 and earlier
• LANTIME M300 versions 6.0 and earlier
• LANTIME M200 versions 6.0 and earlier
• LANTIME M100 versions 6.0 and earlier
• LCES versions 6.0 and earlier
• SyncFire 1100 versions 6.0 and earlier

Suggested Action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.

References:

Meinberg Security Advisory:
https://www.meinbergglobal.com/english/sw/mbgsecurityadvisory.htm#mbgsa_363

Meinberg Firmware Updates:
https://www.meinbergglobal.com/english/sw/firmware.htm

ICS-CERT Advisory (ICSA-16-175-03):
https://ics-cert.us-cert.gov/advisories/ICSA-16-175-03

NIST Vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. Database:
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3962
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3988
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3989