Rarlab WinRAR up to 7.10 Mark of the Web unsafe action warning

Summaryinfo

A vulnerability marked as problematic has been reported in Rarlab WinRAR up to 7.10. This vulnerability affects unknown code of the component Mark of the Web. This manipulation causes unsafe action warning. This vulnerability is tracked as CVE-2025-31334. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Rarlab WinRAR up to 7.10 and classified as problematic. Affected by this vulnerability is an unknown code of the component Mark of the Web. The manipulation with an unknown input leads to a unsafe action warning vulnerability. The CWE definition for the vulnerability is CWE-356. The product's user interface does not warn the user before undertaking an unsafe action on behalf of that user. This makes it easier for attackers to trick users into inflicting damage to their system. As an impact it is known to affect integrity. The summary by CVE is:

Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed.

The advisory is shared at win-rar.com. This vulnerability is known as CVE-2025-31334 since 03/28/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 234002 (WinRAR < 7.11 Mark of the Web Bypass (CVE-2025-31334)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234002). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• File Compression Software

Vendor

• Rarlab

Name

• WinRAR

Version

• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5
• 7.6
• 7.7
• 7.8
• 7.9
• 7.10

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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