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Secunia Security Advisory 42633

Secunia Security Advisory 42633
Posted Dec 23, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Microsoft Exchange Server, which can be exploited by malicious users to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | d40ec50a5f1d0de8a7cf3fb1d9c2d56f0c8148607b13d4d6d4830d4e75df301a

Secunia Security Advisory 42633

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TITLE:
Microsoft Exchange Server RPC Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA42633

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42633/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42633

RELEASE DATE:
2010-12-22

DISCUSS ADVISORY:
http://secunia.com/advisories/42633/#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/42633/

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=42633

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 Exchange Server, which
can be exploited by malicious users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the Exchange Server
store (store.exe) when processing RPC requests and can be exploited
to cause an infinite loop within the service via a specially crafted
request.

Successful exploitation requires a server to be configured with the
"Mailbox Server" role.

The vulnerability is reported for Microsoft Exchange Server 2007 SP2
for x64-based systems only.

SOLUTION:
Apply patch.

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

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

ORIGINAL ADVISORY:
MS10-106 (KB2407132):
http://www.microsoft.com/technet/security/bulletin/MS10-106.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-10-286/

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.

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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