A buffer overflow vulnerability in the WinZip program could allow a remote attacker to execute arbitrary code on a vulnerable system.
WinZip Computing, Inc.'s WinZip is a popular utility for creating and extracting a variety of archive file formats on Microsoft Windows-based systems. A buffer overflow error exists in the way that WinZip handles certain parameters of MIME archives.
This error results in a vulnerability when WinZip attempts to interpret invalid data in a MIME-encoded file.
An attacker could exploit this vulnerability by introducing a specially-crafted file to be opened by WinZip, and then coaxing or tricking a user or application into opening it. The malicious file could be introduced in a number of ways including, but not limited to, a remote web page, an email attachment, peer-to-peer file sharing, or network filesystems.
An attacker could execute arbitrary code of their choice on a vulnerable system.
Upgrade to the latest version of the software
WinZip Computing, Inc. has released an updated version of the WinZip software that includes a fix for this vulnerability. Users are strongly encouraged to upgrade to this version of the software. More details can be found in the Systems Affected section of this document.
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Updated: February 27, 2004
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
WinZip Computing, Inc. has released version 9.0 of the WinZip software which includes a patch for this vulnerability. Users are strongly encouraged to upgrade to this version of the software. Information about upgrading can be found at the following location:
If you have feedback, comments, or additional information about this vulnerability, please send us email.
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Thanks to iDefense Security Advisory for reporting this vulnerability.
This document was written by Chad R Dougherty based on information provided by iDefense and WinZip
CVE IDs: | None
Severity Metric: | 7.70
Date Public: | 2004-02-27
Date First Published: | 2004-03-01
Date Last Updated: | 2004-03-01 15:50 UTC
Document Revision: | 13