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MySQL MaxDB Web Agent Multiple DoS Vulnerabilities (sapdbwa_GetUserData)
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SUMMARY
<http://www.mysql.com/products/maxdb/> MaxDB by MySQL is "a re-branded
and enhanced version of SAP DB, SAP AG's open source database. MaxDB is a
heavy-duty, SAP-certified open source database that offers high
availability, scalability and a comprehensive feature set. MaxDB
complements the MySQL database server, targeted for large mySAP ERP
environments and other applications that require maximum enterprise-level
database functionality".
Two remotely exploitable denial of service conditions have been found to
exist in MySQL MaxDB and SAP DB Web Agent products.
DETAILS
Vulnerable Systems:
* MySQL MaxDB version 7.5.0.20 and prior
The first vulnerability specifically exists due to a NULL pointer
dereference in the sapdbwa_GetUserData() function. A remote attacker can
request the WebDAV handler code with invalid parameters to cause a NULL
pointer dereference resulting in a crash of SAP DB Web Agent.
The second vulnerability is due to insufficient handling of malformed HTTP
headers. A remote attacker can submit a HTTP request with invalid headers
to cause a denial of service.
Analysis:
A remote attacker can send simple HTTP requests to cause MaxDB Web Agent
to crash.
Workaround:
Employ firewalls, access control lists or other TCP/UDP restriction
mechanisms to limit access to administrative systems and services.
Vendor response:
The vulnerability has been addressed in MaxDB 7.5.00.21.
Updated binaries (version 7.5.00.23) are available from:
<http://dev.mysql.com/downloads/maxdb/7.5.00.html>
http://dev.mysql.com/downloads/maxdb/7.5.00.html
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0081>
CAN-2005-0081
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0082>
CAN-2005-0082
Disclosure Timeline:
08/20/2004 - Initial vendor notification
08/24/2004 - Initial vendor response
01/19/2005 - Public disclosure
ADDITIONAL INFORMATION
The information has been provided by
<mailto:idlabs-advisories@idefense.com> iDEFENSE.
The original article can be found at:
<http://www.idefense.com/application/poi/display?id=187&type=vulnerabilities>
http://www.idefense.com/application/poi/display?id=187&type=vulnerabilities
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