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TITLE:
Unreal Engine "UGameEngine::UpdateConnectingMessage()" Buffer
Overflow

SECUNIA ADVISORY ID:
SA40466

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40466/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40466

RELEASE DATE:
2010-07-08

DISCUSS ADVISORY:
http://secunia.com/advisories/40466/#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/40466/

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=40466

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:
Luigi Auriemma has reported a vulnerability in the Unreal Engine,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused due to a boundary error within the
"UGameEngine::UpdateConnectingMessage()" function, which can be
exploited to cause a stack-based buffer overflow by e.g. tricking a
user into connecting to a malicious server.

Successful exploitation requires that downloads are enabled
(default).

The vulnerability is reported in the following games:
* Unreal Tournament 2003
* Unreal Tournament 2004
* Postal 2
* Rainbow Six: Raven Shield
* SWAT4

SOLUTION:
Do not connect to untrusted servers.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/unrealcbof-adv.txt

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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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
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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