IBM Support

Security Bulletin: Potential DOS due to weak IPv4 and IPv6 sequence numbers in SAN Volume Controller and Storwize Family (CVE-2011-3188)

Created by Tayfun Arli on
Published URL:
https://www.ibm.com/support/pages/node/689625
689625

Security Bulletin


Summary

Potential DOS due to weak IPv4 and IPv6 sequence numbers

Vulnerability Details


CVEID:   CVE-2011-3188

DESCRIPTION:

The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets. 
 
CVE-2011-3188
CVSS Base Score: 5.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/69392 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)
 

Affected Products and Versions

IBM SAN Volume Controller
IBM Storwize V7000
IBM Storwize V3700
IBM Storwize V3500
IBM Flex System V7000

All products affected when running a code level below 7.1.0.0.

Remediation/Fixes

Restrict access to the system's IP interface, for example using a private network or firewall technology. Only users with access to the IP interface can exploit the vulnerability.
 
Upgrade to 7.1.0.0 or better.

Workarounds and Mitigations

Upgrade to 7.1.0.0 or better.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v2 Guide
On-line Calculator v2

Off
On-line Calculator V2

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

8 May 2014:    Original Copy 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.

[{"Product":{"code":"ST3FR7","label":"IBM Storwize V7000"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"6.4","Platform":[{"code":"","label":"IBM Storwize V7000"}],"Version":"6.1;6.2;6.3;6.4","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}},{"Product":{"code":"STPVGU","label":"SAN Volume Controller"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"6.4","Platform":[{"code":"","label":"SAN Volume Controller"}],"Version":"6.3;6.4","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}},{"Product":{"code":"STLM6B","label":"IBM Storwize V3500 (2071)"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"6.4","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.4","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}},{"Product":{"code":"STLM5A","label":"IBM Storwize V3700 (2072)"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"6.4","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.4","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
19 August 2022

UID

ssg1S1004662

Page Feedback