Microsoft Windows Internet Printing Protocol service integer overflow

Overview

The Microsoft Windows Internet Printing Protocol (IPP) service contains an integer overflow vulnerability, which can allow a remote attacker to execute arbitrary code on a vulnerable system.

Description

IPP is an IP-based network protocol that allows remote printing and printer management. On Windows 2000 and XP, IIS comes with IPP enabled by default. IPP is optional on Windows 2003 systems. IPP by default is configured to only allow authenticated users; however, it may be configured to allow unauthenticated connections.

The Microsoft Windows IPP component, which is provided by msw3prt.dll, contains an integer overflow vulnerability that results in an overflow of heap memory. By creating a specific HTTP POST to the vulnerable server, the IPP server will attempt to make an SMB connection to a printer that is specified by the attacker. If this printer returns a malformed JOB_INFO_2 structure, the integer overflow vulnerability in IPP may be triggered, resulting in a four-byte memory overwrite and eventually code execution on the IPP server.

This vulnerability is being exploited in the wild.

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Impact

By making a specially crafted request to an IPP server, a remote attacker may be able to execute arbitrary code on a vulnerable IPP server.

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Solution

Apply an update
This issue is addressed in Microsoft Security Bulletin MS08-062. Additional workarounds are provided in the bulletin as well.

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Block outbound SMB traffic
This and other vulnerabilities may be mitigated by blocking outbound SMB traffic from your network to the internet.

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Vendor Information

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Microsoft Corporation __ Affected

Notified: May 03, 2008 Updated: October 15, 2008

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

This issue is addressed in Microsoft Security Bulletin MS08-062. Additonal workarounds are provided in the bulletin as well.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23793233 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/ms08-062.mspx&gt;
• <http://msdn.microsoft.com/en-us/library/ms817904.aspx&gt;
• <http://msdn.microsoft.com/en-us/library/ms535671(VS.85).aspx&gt;
• <http://secunia.com/advisories/32248/&gt;

Acknowledgements

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2008-1446
Severity Metric:	17.01 Date Public: