CA20110420-01: Security Notice for CA SiteMinder

Issued:  April 20, 2011

CA Technologies support is alerting customers to a security risk 
associated with CA SiteMinder. A vulnerability exists that can allow a 
malicious user to impersonate another user.  CA Technologies has 
issued patches to address the vulnerability.

The vulnerability, CVE-2011-1718, is due to improper handling of 
multi-line headers. A malicious user can send specially crafted data 
to impersonate another user.

Risk Rating

Medium

Platform

Windows

Affected Products

CA SiteMinder R6 Web Agents prior to R6 SP6 CR2
CA SiteMinder R12 Web Agents prior to R12 SP3 CR2

How to determine if the installation is affected

Check the Web Agent log to obtain the installed release version. Note 
that the "webagent.log" file name is configurable by the SiteMinder 
administrator.

Solution

CA has issued patches to address the vulnerability.

CA SiteMinder R6:
Upgrade to R6 SP6 CR2 or later

CA SiteMinder R12: 
Upgrade to R12 SP3 CR2 or later

CR releases can be found on the CA SiteMinder Hotfix / Cumulative 
Release page:
(URL may wrap)
support.ca.com/irj/portal/anonymous/phpdocs?filePath=0/5262/5262_fixinde

x.html

References

CVE-2011-1718 - CA SiteMinder Multi-line Header Vulnerability

Acknowledgement

April King (april (at) twoevils (dot) org [email concealed])

Change History

Version 1.0: Initial Release

If additional information is required, please contact CA Technologies 
Support at https://support.ca.com.

If you discover a vulnerability in a CA Technologies product, please 
report your findings to the CA Technologies Product Vulnerability 
Response Team.
support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=177782