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Secunia Security Advisory 51236

Secunia Security Advisory 51236
Posted Nov 13, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Multiple vulnerabilities have been reported in Microsoft .NET Framework, which can be exploited by malicious people to disclose potentially sensitive information, bypass certain security restrictions, and compromise a user's system.

tags | advisory, vulnerability
MD5 | 0669cbcf887e4a956b9b5cc4590e9a4e

Secunia Security Advisory 51236

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Microsoft .NET Framework Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA51236

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51236/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51236

RELEASE DATE:
2012-11-13

DISCUSS ADVISORY:
http://secunia.com/advisories/51236/#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/51236/

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=51236

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:
Multiple vulnerabilities have been reported in Microsoft .NET
Framework, which can be exploited by malicious people to disclose
potentially sensitive information, bypass certain security
restrictions, and compromise a user's system.

1) An error within permissions checking of objects that perform
reflection can be exploited via a specially crafted XAML Browser
Application (XBAP) or an untrusted .NET application.

2) A sanitisation error when processing partially trusted code can be
exploited to disclose certain data via a specially crafted XAML
Browser Application (XBAP) or an untrusted .NET application.

3) The Entity Framework component loads certain libraries in an
insecure manner, which can be exploited to load arbitrary libraries
by tricking a user into opening certain files located on a remote
WebDAV or SMB share.

4) A validation error when acquiring proxy settings via the Web Proxy
Auto-Discovery (WPAD) can be exploited to execute JavaScript code with
reduced restrictions.

5) An error within permissions checking of Windows Presentation
Foundation (WPF) objects that perform reflection can be exploited via
a specially crafted XAML Browser Application (XBAP) or an untrusted
.NET application.

SOLUTION:
Apply patches.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
1, 2, 4, 5) The vendor credits James Forshaw, Context Information
Security.
3) Reported by the vendor.

ORIGINAL ADVISORY:
MS12-074 (KB2698035, KB2698023, KB2729450, KB2729449, KB2737019,
KB2698032, KB2729453, KB2729460, KB2737083, KB2729452, KB2729462,
KB2737084, KB2756872):
http://technet.microsoft.com/en-us/security/bulletin/ms12-074

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

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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