title: Zip Slip Vulnerability in B&R Automation Studio Project Import
description: : Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.
problem types: CWE-23: Relative Path Traversal
affected:
{
defaultStatus: unaffected
product: Automation Studio
vendor: B&R Industrial Automation
versions:
lessThanOrEqual: 4.12, status: affected, version: 4.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 6.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
workarounds:
B&R recommends the following specific workarounds and mitigations:
Open only B&R Automation Studio project files from trusted source.
Use encrypted export of B&R Automation Studio project files, thus only allowing access to legitimate
users.
Protect locations where B&R Automation Studio projects are stored from unauthorized access. This
includes PLCs, when using the feature to back up project source files on target.
Do not run B&R Automation Studio in elevated mode.
Make sure, that Windows User Access Control (UAC) is enabled.
Verify integrity of B&R Automation Studio project files, which are exchanged via potentially insecure
channels
In general, B&R recommends implementing the Cyber Security guidelines