Platform
nodejs
Component
joplin
Fixed in
3.1.1
3.1.0
CVE-2024-49362 describes a Remote Code Execution (RCE) vulnerability in Joplin Desktop, a note-taking and to-do application. This flaw allows an attacker to execute arbitrary shell commands by crafting malicious links within notes. The vulnerability affects versions of Joplin Desktop up to and including 3.0.0. A fix is available in version 3.1.0.
An attacker could exploit this vulnerability by embedding a specially crafted <a> link within a note. When a user clicks this link in Joplin Desktop, the application's markdown preview iframe will process the link, leading to the execution of arbitrary code. Because Joplin Desktop runs on Electron with full access to Node.js APIs, this code execution can be leveraged to compromise the entire system. The attacker could potentially steal sensitive data, install malware, or gain persistent access to the affected machine. This vulnerability is particularly concerning given the potential for widespread distribution of malicious notes through shared notebooks or cloud synchronization.
This vulnerability was publicly disclosed on 2024-11-14. There are currently no known public exploits or active campaigns targeting this vulnerability, but the ease of exploitation and the potential impact make it a high-priority concern. The vulnerability's reliance on user interaction (clicking a link) may limit its immediate exploitability in automated attacks, but social engineering tactics could be employed. No KEV listing at the time of writing.
Exploit Status
EPSS
1.28% (80% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2024-49362 is to upgrade Joplin Desktop to version 3.1.0 or later, which includes the necessary sanitization fixes. If upgrading is not immediately feasible, consider disabling the markdown preview feature or restricting the sources of notes that are imported into Joplin. While not a complete solution, WAFs or proxies might be configured to block requests containing suspicious <a> tag attributes. Monitor Joplin Desktop processes for unusual activity, especially those involving Node.js execution.
Actualice Joplin a la versión 3.1 o superior. Esta versión corrige la vulnerabilidad de ejecución remota de código al hacer clic en enlaces <a> en la vista previa de Markdown. La actualización asegura que se apliquen las sanitizaciones necesarias para prevenir la ejecución de código no confiable.
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CVE-2024-49362 is a Remote Code Execution vulnerability in Joplin Desktop versions up to 3.0.0. Malicious links in notes can trigger arbitrary code execution.
You are affected if you are using Joplin Desktop version 3.0.0 or earlier. Upgrade to 3.1.0 or later to resolve the issue.
Upgrade Joplin Desktop to version 3.1.0 or later. As a temporary workaround, disable the markdown preview feature or restrict note sources.
There are currently no confirmed reports of active exploitation, but the vulnerability's potential impact warrants immediate attention and mitigation.
Refer to the official Joplin security advisory on their website or GitHub repository for the latest information and updates.
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