CVE-2023-46116 Remote Code Execution via insufficiently sanitized call to shell.openExternal
Attackers can execute arbitrary code on victim computers by exploiting insufficient URL scheme validation in the Tutanota email client.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-46116?
CVE-2023-46116 is a critical command injection vulnerability in tutao tutanota, published on 15 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Tutanota (Tuta Mail) is an encrypted email provider. Tutanota allows users to open links in emails in external applications. Prior to version 3.118.12, it correctly blocks the `file:` URL scheme, which can be used by malicious actors to gain code execution on a victims computer, however fails to check other harmful schemes such as `ftp:`, `smb:`, etc. which can also be used. Successful exploitation of this vulnerability will enable an attacker to gain code execution on a victim's computer. Version 3.118.2 contains a patch for this issue.
Weakness: CWE-20
Which versions are affected by CVE-2023-46116?
It affects 1 product.
Products include Tuta Tutanota.
How do I fix CVE-2023-46116?
No fix has been published for CVE-2023-46116 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2023-46116 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-46116 exists.
Other vulnerabilities in tutao tutanota
Sources
Also known as GHSA-mxgj-pq62-f644.