High · published February 6, 2019
CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.
⚡ Crafting a sneaky filename is all it takes to exploit this WinRAR vulnerability! An attacker can leverage specific patterns in the ACE format to completely bypass folder restrictions. 🔥 Think of it like a mischievous delivery driver who decides to ignore the shipping address and just drops packages wherever they please, instead of the intended destination. That's what happens when the filename field is manipulated! If exploited, an attacker could extract malicious files to any location on the system, potentially leading to data breaches, malware installation, or worse. Imagine giving a stranger access to your entire home just because they miswrote a delivery address – absolutely devastating!
Think of it like a mischievous delivery driver who decides to ignore the shipping address and just drops packages wherever they please, instead of the intended destination. That's what happens when the filename field is manipulated! This path traversal vulnerability in WinRAR versions prior to and including 5.61 allows crafted filenames in the ACE format to override extraction folder paths, treating them as absolute paths instead.
If exploited, an attacker could extract malicious files to any location on the system, potentially leading to data breaches, malware installation, or worse. Imagine giving a stranger access to your entire home just because they miswrote a delivery address – absolutely devastating! Immediate action is required: upgrade WinRAR to version 5.71 or later to patch this vulnerability. Additionally, review any files extracted from ACE archives to ensure they haven’t been tampered with. This is fixable, and you can do it! Get that update done, and you'll have your system secured in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| rarlab/winrar | ≤ 5.61 | — |