PT-2024-12422 · Diebold Nixdorf · Vynamic Security Suite

Published 2024-08-08 · Updated 2024-08-19 · CVE-2023-33206

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Diebold Nixdorf Vynamic Security Suite (VSS) versions prior to 3.3.0 SR16 Diebold Nixdorf Vynamic Security Suite (VSS) versions prior to 4.0.0 SR06 Diebold Nixdorf Vynamic Security Suite (VSS) versions prior to 4.1.0 SR04 Diebold Nixdorf Vynamic Security Suite (VSS) versions prior to 4.2.0 SR03 Diebold Nixdorf Vynamic Security Suite (VSS) versions prior to 4.3.0 SR01

Description The issue is related to the failure of Diebold Nixdorf Vynamic Security Suite (VSS) to validate symlinks during the Pre-Boot Authorization (PBA) process. This can be exploited by a physical attacker who is able to manipulate the contents of the system's hard disk.

Recommendations For versions prior to 3.3.0 SR16, update to 3.3.0 SR16 or later. For versions prior to 4.0.0 SR06, update to 4.0.0 SR06 or later. For versions prior to 4.1.0 SR04, update to 4.1.0 SR04 or later. For versions prior to 4.2.0 SR03, update to 4.2.0 SR03 or later. For versions prior to 4.3.0 SR01, update to 4.3.0 SR01 or later.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

CWE-354

Related Identifiers

CVE-2023-33206

Affected Products

Vynamic Security Suite

References · 7

• 🔥 https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Matt%20Burch%20-%20Where%E2%80%99s%20the%20Money%20-%20Defeating%20ATM%20Disk%20Encryption-white%20paper.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-33206 · Security Note
• https://dieboldnixdorf.com/en-us/banking/portfolio/software/security · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-33206 · Vendor Advisory
• https://t.me/cvedetector/2817 · Telegram Post
• https://t.me/cvenotify/90077 · Telegram Post
• https://twitter.com/cracbot/status/1823238137197588532 · Twitter Post