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Windows Applications Insecure Library Loading

The Official, Verified Secunia List:
http://secunia.com/advisories/windows_insecure_library_loading/

The list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected.


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TITLE:
Microsoft Windows LPC Message Handling Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA41700

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/41700/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41700

RELEASE DATE:
2010-10-12

DISCUSS ADVISORY:
http://secunia.com/advisories/41700/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/41700/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=41700

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
yuange has discovered a vulnerability in Microsoft Windows, which can
be exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to a boundary error in rpcrt4.dll
within the "LRPC_SCALL::SendRequest()" function when reading an LPC
message into an insufficiently sized stack buffer and can be
exploited to cause a stack-based buffer overflow.

The vulnerability is confirmed in fully patched versions of Windows
XP SP3 and Windows Server 2003 R2 Enterprise SP2. Other versions may
also be affected.

SOLUTION:
Grant access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
yuange

ORIGINAL ADVISORY:
yuange:
http://hi.baidu.com/yuange1975/blog/item/022dec5901af02272834f0fc.html
http://archives.neohapsis.com/archives/fulldisclosure/current/0085.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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