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TITLE:
Microsoft Windows TCP/IP Stack Two Vulnerabilities

SECUNIA ADVISORY ID:
SA49114

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49114/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49114

RELEASE DATE:
2012-05-08

DISCUSS ADVISORY:
http://secunia.com/advisories/49114/#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/49114/

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=49114

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:
Two vulnerabilities have been reported in Microsoft Windows, which
can be exploited by malicious, local users to bypass certain security
restrictions and gain escalated privileges.

1) An error within the TCP/IP stack (tcpip.sys) does not properly
filter outbound packets when an outbound firewall rule is applied.
This can be exploited to bypass the Windows Firewall and send
otherwise restricted packets.

2) A double free error exists within the TCP/IP stack (tcpip.sys)
when handling IPv6 address binding on a local interface.

Successful exploitation of this vulnerability allows execution of
arbitrary code in context of another process.

NOTE: This vulnerability only affects Windows 7 and Windows Server
2008 R2.

SOLUTION:
Apply patches.

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

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Bojan Zdrnja, INFIGO IS.
2) Reported by the vendor.

ORIGINAL ADVISORY:
MS12-032 (KB2688338):
http://technet.microsoft.com/en-us/security/bulletin/ms12-032

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/

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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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