Security Bulletin
Summary
The NTP daemon on the TS7700 has the 'monlist' command enabled. This command returns a list of recent hosts that have connected to the service..
Vulnerability Details
CVEID: CVE-2013-5211
DESCRIPTION:
NTP is vulnerable to a denial of service, caused by an error in the monlist feature in ntp_request.c. By sending a sending specially-crafted REQ_MON_GETLIST or REQ_MON_GETLIST_1 request, an attacker could exploit this vulnerability to consume available CPU resources and cause the server to crash.
CVSS Base Score: 5.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/90143 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Affected Products and Versions
All versions of microcode for the IBM Virtualization Engine TS7700 (3957-V06, 3957-V07, 3957-VEA, 3957-VEB) prior to release R2.1 are affected. In addition, microcode versions of releases R2.1, R3.0, R3.1 and R3.2 prior to and including the following are also affected:
|
Release | Version |
| R3.2 | 8.32.0.84 |
| R3.1 | 8.31.1.4 |
| R3.0 | 8.30.2.23 |
| R2.1 | 8.21.0.178 |
Remediation/Fixes
Contact IBM Service at 1-800-IBM-SERV to arrange an upgrade to the latest microcode level followed by the installation of vtd_exec.209.
|
Release | Fix |
| R3.2 | 8.32.0.84 + vtd_exec.209 |
| R3.1 | 8.31.0.92 + vtd_exec.209 |
| R3.0 | 8.30.2.23 + vtd_exec.209 |
| R2.1 | 8.21.0.178 + vtd_exec.209 |
| Older Releases | 8.21.0.178 + vtd_exec.209 |
Workarounds and Mitigations
Although IBM recommends that you upgrade to the fixes identified above, you can mitigate, but not eliminate the risk of these vulnerabilities by restricting physical and network access to the TS7700 to authorized users and IBM Service Personnel only.
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References
Change History
30 January 2015: 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.
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Document Information
Modified date:
17 June 2018
UID
ssg1S1005044