WS_FTP Server <8.7.4 or <8.8.2: Directory Traversal Allowing File Ops
CVE-2023-42657 Published on September 27, 2023
WS_FTP Server Directory Traversal
In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered. An attacker could leverage this vulnerability to perform file operations (delete, rename, rmdir, mkdir) on files and folders outside of their authorized WS_FTP folder path. Attackers could also escape the context of the WS_FTP Server file structure and perform the same level of operations (delete, rename, rmdir, mkdir) on file and folder locations on the underlying operating system.
Vulnerability Analysis
CVE-2023-42657 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
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-2023-42657 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2023-42657
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Affected Versions
Progress Software Corporation WS_FTP Server:- Version 8.8.0 and below 8.8.2 is affected.
- Version 8.7.0 and below 8.7.4 is affected.
- Version 8.8.0 and below 8.8.2 is affected.
- Version 8.7.0 and below 8.7.4 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.