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VULNERABILITIES \ FIXES - April 13, 2008

by Marianna Schmudlach / April 13, 2008 12:56 AM PDT

Microsoft Windows Graphics Rendering Engine Multiple Vulnerabilities (MS08-021)

Summary
Microsoft Windows graphics device interface (GDI) is "the core library used to display graphics and text on the Windows operating system. It is the standard interface through which applications access the graphics rendering engine". Multiple vulnerabilities have been discovered in Microsoft's GDI engine, these vulnerabilities allow an attacker to cause the engine to execute arbitrary code by overflow and internal heap buffer or by causing an integer corruption.

Credit:
The information has been provided by iDefense Labs Security Advisories.
The original article can be found at: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=682 and http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=681


http://www.securiteam.com/windowsntfocus/5OP0C0UO0W.html

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EMC DiskXtender Multiple Vulnerabilities
by Marianna Schmudlach / April 13, 2008 12:58 AM PDT

Summary
EMC DiskXtender is "a data backup and migration suite. It consists of several applications that are used to manage storing large quantities of files across multiple storage devices. The main components of the product suite are the File System Manager, the MediaStor and the License Server. These components all create RPC endpoints that can be accessed remotely. One of the components of DiskXtender is the MediaStor, which is used to provide support for a variety of media and device types, another ne of the components of DiskXtender is the File System Manager, which is used to create and manage backups., ". Multiple vulnerabilities have been discovered in EMC DiskXtender's components.

Credit:
The information has been provided by iDefense Labs Security Advisories.
The original article can be found at: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=685, http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=684 and http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=683


http://www.securiteam.com/windowsntfocus/5NP0B0UO0M.html

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Incorrect Input Validation In PyString_FromStringAndSize() L
by Marianna Schmudlach / April 13, 2008 12:59 AM PDT

Incorrect Input Validation In PyString_FromStringAndSize() Leads to Multiple Buffer Overflows

Summary
The Python core API provides multiple functions for the allocation of string objects, specifically providing an API call that allows for either the allocation or reallocation of a PyStringObject. This function, PyString_FromStringAndSize() takes two parameters:
a pointer and a signed integer. If the pointer is non-NULL then the memory pointed to it is reallocated to the size specified by the second parameter. If the pointer is NULL then the number of bytes specified by the integer are allocated and returned.

During the course of Python's operations the second parameter is not validated to contain a positive value. This in turn is summed with the size of a PyStringObject and passed as a length to an allocation function, potentially miss-allocating memory.


More: http://www.securiteam.com/unixfocus/5PP0D0UO0E.html

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Oracle April Patch Advance Information Posted
by Marianna Schmudlach / April 13, 2008 4:37 AM PDT

Published: 2008-04-13,
Last Updated: 2008-04-13 00:18:14 UTC
by Patrick Nolan (Version: 1)
0 comment(s)
Oracle has posted it's advance information for it's Critical Patch Update for April 2008, to be released on Tuesday, April 15, 2008.

"The highest CVSS 2.0 base score of vulnerabilities across all products is 6.6 for servers and 9.3 for Application Server clients".

Oracle Critical Patch Update Pre-Release Announcement - April 2008

http://isc.sans.org/

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Deja-Vu - database attack vector development
by Marianna Schmudlach / April 13, 2008 4:38 AM PDT

Published: 2008-04-13,
Last Updated: 2008-04-13 08:05:06 UTC
by Patrick Nolan (Version: 1)
0 comment(s)
Over on the McAfee Avert Labs Blog, analysts Shinsuke Honjo and Geok Meng Ong have posted additional analysis of the Fribet trojan. The trojan "loads the ?SQL Native Client? ODBC library, and is designed to receive arbitrary SQL statements from a command and control server. In turn, the ODBC library provides the functionality to Fribet to bind SQL connections and run arbitrary SQL commands from the victim machine(s)". A bit later they note "The attacker still needs to find out the information required to connect the database such as DSN, hostname, database name, User and Password, however, that information can be collected via other monitoring functions".

http://isc.sans.org/

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Python Zlib Extension Module Buffer Overflow
by Marianna Schmudlach / April 13, 2008 3:12 PM PDT

Summary
The zlib extension module contains a method for flushing decompression streams that takes an input parameter of how much data to flush. This parameter is a signed integer that is not verified for sanity and is thus potentially negative. When passed a negative value memory is misallocated and then the signed integer is converted to an unsigned integer resulting in buffer overflow.

Credit:
The information has been provided by Justin Ferguson.

http://www.securiteam.com/unixfocus/5QP0E0UO0M.html

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