Security Bulletin
Summary
OpenSource NTP is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2017-6462
DESCRIPTION: NTP is vulnerable to a denial of service, caused by a buffer overflow in the legacy Datum Programmable Time Server refclock driver. By sending specially crafted packets, a local authenticated attacker could exploit this vulnerability to overflow a buffer and cause a denial of service.
CVSS Base Score: 1.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123611 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-6463
DESCRIPTION: NTP is vulnerable to a denial of service. By sending an invalid setting, a remote authenticated attacker could exploit this vulnerability using the :config directive to cause the daemon to crash.
CVSS Base Score: 4.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123612 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2017-6464
DESCRIPTION: NTP is vulnerable to a denial of service. A remote authenticated attacker could exploit this vulnerability using a malformed mode configuration directive to cause the application to crash.
CVSS Base Score: 4.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123610 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H)
Affected Products and Versions
- IBM Netezza Host Management 5.3.3.0 - 5.3.10.1
- IBM Netezza Host Management 5.4.1.0 - 5.4.14.0
Remediation/Fixes
None
Workarounds and Mitigations
Mitigation of the reported CVE applies to the following platforms:
PureData System for Analytics N3001
PureData System for Analytics N200x
PureData System for Analytics N1001
IBM Netezza High Capacity Appliance C1000
IBM Netezza 1000
IBM Netezza 100
Execute below steps using "root" user on both ha1/ha2 hosts
Step 1. Check if NTP is installed in the host
[host1]#rpm -qa | grep ntp
Step 2. Properly monitor your ntpd instances using command
[host1]# service ntpd status
Step 3. If NTPD services has stopped running, restart the NTP services without -g option
[host1]# /etc/init.d/ntpd restart
For more details on IBM Netezza Host Management security patching:
Get Notified about Future Security Bulletins
References
Change History
23 Aug 2017: Original version published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Was this topic helpful?
Document Information
Modified date:
17 October 2019
UID
swg22002233