Microsoft Exchange contains a flaw that may allow a remote attacker to execute arbitrary code or cause a denial of service. The flaw is due to the SMTP server's improper handling of XEXCH50 verb requests. If an un-authenticated attacker issues a specially-crafted extended verb request, it may exhaust the available memory of the server or in some cases, allow the execution of arbitrary code.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.
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