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WinZip’s robust built-in file management makes your life easier. The group rename feature is especially helpful when bulk editing file names, keeping you better organized. Easily find your images by sorting by date taken or date modified. WinZip gives users the opportunity to click the 'eyeball' feature and ensure their password is typed correctly, reducing mistakes and login issues. Similarly, you can schedule a file and folder clean up using background tools, based on your own schedule. You can schedule specific files and folders to expire on a certain date, eliminating the need to sift through your documents with a manual sweep. Keep your hard drive uncluttered with the ability to set expiration dates for files and folders. It is able to open additional file types including BZ2, LHA, LZH, RAR, ZIP, Zipx, and 7Z. WinZip creates files in the standard ZIP format as well as Zipx. It is easy to use and navigate, helping you complete your tasks more efficiently. WinZip is the world’s #1 compression software and has become a household name in the industry.
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Users that can’t upgrade should opt out of update checks and manually look for and verify updates.WinZip is more than just a file compression software, with its versatile file management, easy document sharing, quick PDF conversion and integration, and impressive encryption standards.ĭocument compression is crucial with the scope and velocity at which we share data. That version properly uses HTTPS and is no longer vulnerable to these sorts of attacks. These findings have been through our responsible disclosure program and WinZip users can mitigate these issues by upgrading (not for free) to the latest version of WinZip (version 25 at the time of this writing). In the end, malicious actors can exploit this issue to execute arbitrary code as in previous scenario.Įxample pop-up that fetches content over HTTP: Since the content of these popups is HTML with JavaScript that is also retrieved via HTTP, it makes manipulation of that content easy for a network adjacent attacker. Second FindingĪ second issue I discovered is that WinZip 24 opens pop-up windows time to time when running in Trial mode. Since this is over an unencrypted channel this information is fully visible to the attacker. In addition, the application sends out potentially sensitive information like the registered username, registration code and some other information in query string as a part of the update request. As a result, unsuspecting user can launch arbitrary code as if it is a valid update. This means anyone on the same network as user running a vulnerable version of WinZip can use techniques like DNS poisoning to trick the application to fetch “update” files from malicious web server instead of legitimate WinZip update host. Since HTTP is unencrypted cleartext, it can be grabbed, manipulated, or highjacked by anyone with the ability to see that traffic.
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You can see a screenshot of a Wireshark capture of the update request in Figure 1 below.įigure 1: Packet capture of the WinZip 24 update request Same cleartext communication is utilized when Trial pop-ups are displayed and could be used to deliver malware to users’ computers. During observation of WinZip 24 network communications, I've noticed that it sends update check requests cleartext (HTTP).