|
Buffer overrun in XMLQUERY and XMLEXISTS
September 15th 2008
Risk Level:
High
Affected versions:
IBM DB2 Database Server
v9.1 and 9.5 on
Windows platform.
Remote exploitable:
Yes (Authentication to
Database Server is
needed)
Credits:
These vulnerabilities were
discovered and
researched by Ariel
Sanchez of Application
Security Inc.
Details:
The XMLQUERY and XMLEXISTS functions are vulnerable
to a stack based buffer overflow by passing
an overly long parameter.
The XMLQUERY and XMLEXISTS functions are installed by default.
Impact:
Any low privileged user can exploit these vulnerabilities to
cause a denial of service or to run arbitrary code.
On Windows systems, the attacker may take complete control of
the affected system because DB2 service runs under an administrative account.
Vendor Status:
Vendor was contacted and
a patch was released.
Fix:
To fix the problem apply
the FP5(v9.1)and FP1(v9.5):
http://www-01.ibm.com/support/docview.wss?rs=0&uid=swg24019146
http://www-01.ibm.com/support/docview.wss?rs=71&uid=swg21287889
CVE:
CVE-2008-3854
APAR:
IZ18434 - V9.1 FP5
IZ18431 - V9.5 FP1
Timeline:
Vendor Notification -
9/11/2007
Vendor Response -
11/14/2007
Fix - 8/28/2008
Public Disclosure -
9/15/2008
Application Security,
Inc's database security
solutions have helped
over 900
organizations secure
their databases from all
internal and external
threats
while also ensuring that
those organizations meet
or exceed regulatory
compliance
and audit requirements.
Disclaimer: The
information in the
advisory is believed to
be accurate
at the time of
publishing based on
currently available
information. Use
of the information
constitutes acceptance
for use in an AS IS
condition.
There are no warranties
with regard to this
information. Neither the
author nor the publisher
accepts any liability
for any direct,
indirect, or
consequential loss or
damage arising from use
of, or
reliance on, this
information.
|
