FortiOS 6.4.11-7.2.3 Path Traversal: Privileged attacker can access Linux files
CVE-2022-41328 Published on March 7, 2023
A improper limitation of a pathname to a restricted directory vulnerability ('path traversal') [CWE-22] in Fortinet FortiOS version 7.2.0 through 7.2.3, 7.0.0 through 7.0.9 and before 6.4.11 allows a privileged attacker to read and write files on the underlying Linux system via crafted CLI commands.
Known Exploited Vulnerability
This Fortinet FortiOS Path Traversal Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Fortinet FortiOS contains a path traversal vulnerability that may allow a local privileged attacker to read and write files via crafted CLI commands.
The following remediation steps are recommended / required by April 4, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-41328 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2022-41328 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2022-41328
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2022-41328 are published in Fortinet FortiOS:
Affected Versions
Fortinet FortiOS:- Version 7.2.0, <= 7.2.3 is affected.
- Version 7.0.0, <= 7.0.9 is affected.
- Version 6.4.0, <= 6.4.11 is affected.
- Version 6.2.0, <= 6.2.13 is affected.
- Version 6.0.0, <= 6.0.16 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.