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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1629
                   XSS vulnerability in CA Service Desk
                             11 December 2009

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           CA Service Desk
Publisher:         CA
Operating System:  Windows
                   AIX
                   HP-UX
                   Linux variants
                   Solaris
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
                   Unauthorised Access  -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-4149  

Original Bulletin: 
   https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=223999

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CA20091208-01: Security Notice for CA Service Desk

Issued: December 8, 2009

CA's support is alerting customers to a security risk with CA Service
Desk. A cross-site scripting vulnerability exists that can allow a
remote attacker to potentially gain sensitive information. CA has
issued patches to address the vulnerability.

The vulnerability, CVE-2009-4149, is due to insufficient verification
of a web interface variable. An attacker, who can lure a user into
following a URL, can conduct cross-site scripting.

Risk Rating

Low

Platforms

Windows, AIX, HP, Sun, Linux

Affected Products

CA Service Desk 12.1

How to determine if the installation is affected

CA Service Desk 12.1

Windows Environment:

1. Locate the files "webengine.exe" and "freeaccess.spl". The files
are located in the "$NX_ROOT\bin" and "$NX_ROOT\bopcfg\www" directory
respectively.
2. Right click on each of the files and select Properties.
3. Select the General tab.
4. If either file timestamp is earlier than indicated in the below
table, the installation is vulnerable.

File Name
Timestamp
Size
Size on disk

webengine.exe
10/30/2009 12:11:16 PM
2936832 bytes
2936832 bytes

freeaccess.spl
10/23/2009 11:24:08 AM
1010489 bytes
1011712 bytes

AIX Environment:

1. Locate the files "webengine" and "freeaccess.spl". The files are
located in the "$NX_ROOT/bin" and "$NX_ROOT/bopcfg/www" directory
respectively.
2. Right click on each of the files and select Properties.
3. Select the General tab.
4. If either file timestamp is earlier than indicated in the below
table, the installation is vulnerable.

File Name
Timestamp
Size
Size on disk

webengine
11/03/2009 4:58:00 AM
7698261 bytes
7700480 bytes

freeaccess.spl
10/26/2009 5:32:00 AM
1010490 bytes
1011712 bytes

HP Environment:

1. Locate the files "webengine" and "freeaccess.spl". The files are
located in the "$NX_ROOT/bin" and "$NX_ROOT/bopcfg/www" directory
respectively.
2. Right click on each of the files and select Properties.
3. Select the General tab.
4. If either file timestamp is earlier than indicated in the below
table, the installation is vulnerable.

File Name
Timestamp
Size
Size on disk

webengine
11/03/2009 5:25:00 AM
6635681 bytes
7700480 bytes

freeaccess.spl
10/27/2009 1:20:00 AM
6639616 bytes
1011712 bytes

SUN Environment:

1. Locate the files "webengine" and "freeaccess.spl". The files are
located in the "$NX_ROOT/bin" and "$NX_ROOT/bopcfg/www" directory
respectively.
2. Right click on each of the files and select Properties.
3. Select the General tab.
4. If either file timestamp is earlier than indicated in the below
table, the installation is vulnerable.

File Name
Timestamp
Size
Size on disk

webengine
11/03/2009 5:05:00 AM
4076264 bytes
4079616 bytes

freeaccess.spl
10/26/2009 8:23:00 AM
1010490 bytes
1011712 bytes

Linux Environment:

1. Locate the files "webengine" and "freeaccess.spl". The files are
located in the "$NX_ROOT/bin" and "$NX_ROOT/bopcfg/www" directory
respectively.
2. Right click on each of the files and select Properties.
3. Select the General tab.
4. If either file timestamp is earlier than indicated in the below
table, the installation is vulnerable.

File Name
Timestamp
Size
Size on disk

webengine
11/03/2009 4:23:00 AM
3772416 bytes
3772416 bytes

freeaccess.spl
10/26/2009 7:25:00 AM
1010490 bytes
1011712 bytes

Solution

CA has issued the following patches to address the vulnerability.

CA Service Desk 12.1 Windows:
RO12848

CA Service Desk 12.1 AIX:
RO12851

CA Service Desk 12.1 HP:
RO12853

CA Service Desk 12.1 Sun:
RO12857

CA Service Desk 12.1 Linux:
RO12855

Workaround

To reduce exposure, only give trusted resources analyst privilege.

References

CVE-2009-4149 - Service Desk XSS
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4149

CA20091208-01 : Security Notice for CA Service Desk
(line may wrap)
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=22
3999

Acknowledgement

CVE-2009-4149 - anonymous

Change History

Version 1.0: Initial Release

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

If you discover a vulnerability in CA products, please report your
findings to the CA Product Vulnerability Response Team.
(line may wrap)
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=17
7782

Kevin Kotas
CA Product Vulnerability Response Team

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