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TITLE:
Microsoft SharePoint Document Conversions Launcher Service
Vulnerability

SECUNIA ADVISORY ID:
SA42631

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42631/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42631

RELEASE DATE:
2010-12-22

DISCUSS ADVISORY:
http://secunia.com/advisories/42631/#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/42631/

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=42631

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:
A vulnerability has been reported in Microsoft SharePoint, which can
be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a validation error when processing
SOAP requests sent to the Document Conversions Launcher service and
can be exploited via a specially crafted request to upload and
execute an arbitrary file on an affected server.

Successful exploitation allows execution of arbitrary code in the
context of a guest account, but requires the Document Conversions
Load Balancer and Launcher service to be enabled (disabled by
default).

SOLUTION:
Apply patches.

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

PROVIDED AND/OR DISCOVERED BY:
Oleksandr Mirosh, reported via ZDI.

ORIGINAL ADVISORY:
MS10-104 (KB2433089):
http://www.microsoft.com/technet/security/bulletin/MS10-104.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-10-287/

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.)
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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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