Security Bulletin: Denial of Service vulnerability affects IBM Spectrum Protect Client and IBM Spectrum Protect for Virtual Environments (CVE-2018-1786)

Security Bulletin

Summary

IBM Spectrum Protect (formerly Tivoli Storage Manager) Client and IBM Spectrum Protect for Virtual Environments is vulnerable to a denial of service caused by incorrect accumulation of TCP/IP sockets in a CLOSE_WAIT state.
UPDATED: 8/21/2019 - Corrected Affected Product Versions

Vulnerability Details

CVEID: CVE-2018-1786
DESCRIPTION: IBM Spectrum Protect dsmc and dsmcad processes incorrectly accumulate TCP/IP sockets in a CLOSE_WAIT state. This can cause TCP/IP resource leakage and may result in a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148871 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

This security exposure affects the following products and levels:

IBM Spectrum Protect (formerly Tivoli Storage Manager) Client levels:
- 8.1.2.0 through 8.1.6.0
- 7.1.8.0 through 7.1.8.3
IBM Spectrum Protect for Virtual Environments (formerly Tivoli Storage Manager for Virtual Environments): Data Protection for VMware levels:
- 8.1.2.0 through 8.1.6.0
- 7.1.8.0 through 7.1 8.3
IBM Spectrum Protect for Virtual Environments (formerly Tivoli Storage for Virtual Environments): Data Protection for Hyper-V levels:
- 8.1.2.0 through 8.1.6.0
- 7.1.8.0 through 7.1.8.0

Remediation/Fixes

IBM Spectrum Protect Client Release	First Fixing VRM Level	APAR	Platform	Link to Fix
8.1	8.1.6.1	IT25837	AIX Linux Macintosh Solaris Windows	http://www.ibm.com/support/docview.wss?uid=swg24043653
7.1	7.1.8.4	IT25837	AIX HP-UX Linux Macintosh Solaris Windows	http://www.ibm.com/support/docview.wss?uid=swg24044550

Data Protection for VMware Release	First Fixing VRM Level	APAR	Platform	Link to Fix
8.1	8.1.6.1	IT26344	Linux Windows	http://www.ibm.com/support/docview.wss?uid=ibm10739257
7.1	7.1.8.4	IT26344	Linux Windows	Data Protection for VMware 7.1 customers can upgrade to Data Protection for VMware 7.1.8.4 or apply the above 7.1.8.4 client fix. Data Protection for VMware 7.1.8.4 link: https://www.ibm.com/support/docview.wss?uid=swg24044553 Client 7.1.8.4 link: http://www.ibm.com/support/docview.wss?uid=swg24044550

Data Protectin for Hyper-V Release	First Fixing VRM Level	APAR	Platform	Link to Fix
8.1	8.1.6.1	IT26345	Windows	http://www.ibm.com/support/docview.wss?uid=ibm10739263
7.1			Windows	Apply the above 7.1.8.4 client fix using the following link: http://www.ibm.com/support/docview.wss?uid=swg24044550

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Change History

08 November 2018 - original version published
03 December 2018 - Add Solaris platform for Client 7.1.8.4 fix
21 August 2019 - Corrected Affected Product Versions
12 December 2018 - Add AIX platform for Client 7.1.8.4 fix
27 December 2018 - Add HP-UX and Macintosh for Client 7.1.8.4 fix
07 February 2019 - Remove HP-UX platform for Client 8.1.6.1 fix

*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.

Internal Use Only

Advisory 13052 Records 119619, 120780, and 120781

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Tips

Security Bulletin: Denial of Service vulnerability affects IBM Spectrum Protect Client and IBM Spectrum Protect for Virtual Environments (CVE-2018-1786)