Improper input validation in Tuta Tutanota
CVE-2023-46116
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.013 (66.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Tuta Tutanota
- Tutao Tutanota — versions < 3.118.12
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-46116?
- CVE-2023-46116 is a critical-severity vulnerability in Tuta Tutanota, classified under Improper Input Validation. CVSS score: 9.3/10. Published 2023-12-15.
- How severe is CVE-2023-46116?
- Critical severity. CVSS v3 base score is 9.3 out of 10.