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Microsoft ActiveSync Null Pointer Dereference Denial Of Service Vulnerability

Information

Severity

Severity

Critical

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Wont Fix

Created

Created

10 years ago

Modified

Modified

4 years ago

Summary

This host is running Microsoft ActiveSync and is prone to denial of service vulnerability.

Insight

Insight

The flaw is due to NULL pointer is dereferenced in a call to the function 'WideCharToMultiByte()' while it is trying to process an entry within the sync request packet. This causes an application error, killing the 'wcescomm' process.

Affected Software

Affected Software

Microsoft ActiveSync version 3.5

Solution

Solution

No known solution was made available for at least one year since the disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.