[NT] Ipswitch IMail Server GetIMailHostEntry Memory Corruption Vulnerability

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Ipswitch IMail Server GetIMailHostEntry Memory Corruption Vulnerability
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SUMMARY

A vulnerability allows attackers to execute arbitrary code on vulnerable
installations of Ipswitch IMail and ICS server. Authentication is not
required to exploit this vulnerability.

DETAILS

The specific flaw resides in IMailsec.dll while attempting to authenticate
users. The affected component is used by multiple services that listen on
a default installation. The authentication mechanism copies user-supplied
data into fixed length heap buffers using the lstrcpyA() function. The
unbounded copy operation can cause a memory corruption resulting in an
exploitable condition.

Vendor Response:
Ipswitch has issued an update to correct this vulnerability. More details
can be found at:
<http://www.ipswitch.com/support/imail/releases/im200621.asp>

http://www.ipswitch.com/support/imail/releases/im200621.asp

Disclosure Timeline:
2007.02.26 - Vulnerability reported to vendor
2007.07.24 - Digital Vaccine released to TippingPoint customers
2007.07.24 - Coordinated public release of advisory

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2795>
CVE-2007-2795

ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@3com.com>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-07-042.html>

http://www.zerodayinitiative.com/advisories/ZDI-07-042.html

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