elFinder up to 2.1.61 LocalVolumeDriver Connector elFinderVolumeLocalFileSystem.class.php _joinPath path traversal

Summaryinfo

A vulnerability identified as critical has been detected in elFinder up to 2.1.61. The impacted element is the function _joinPath of the file elFinderVolumeLocalFileSystem.class.php of the component LocalVolumeDriver Connector. The manipulation leads to path traversal. This vulnerability is documented as CVE-2023-35840. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in elFinder up to 2.1.61. It has been rated as critical. This issue affects the function _joinPath of the file elFinderVolumeLocalFileSystem.class.php of the component LocalVolumeDriver Connector. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product 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 product 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

_joinPath in elFinderVolumeLocalFileSystem.class.php in elFinder before 2.1.62 allows path traversal in the PHP LocalVolumeDriver connector.

The weakness was released 06/19/2023 as GHSA-wm5g-p99q-66g4. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-35840 since 06/19/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

By approaching the search of inurl:elFinderVolumeLocalFileSystem.class.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.1.62 eliminates this vulnerability. Applying the patch bb9aaa7b096a1b83f2f85657c43f12131ece2891 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-1903). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• elFinder

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7
• 2.1.8
• 2.1.9
• 2.1.10
• 2.1.11
• 2.1.12
• 2.1.13
• 2.1.14
• 2.1.15
• 2.1.16
• 2.1.17
• 2.1.18
• 2.1.19
• 2.1.20
• 2.1.21
• 2.1.22
• 2.1.23
• 2.1.24
• 2.1.25
• 2.1.26
• 2.1.27
• 2.1.28
• 2.1.29
• 2.1.30
• 2.1.31
• 2.1.32
• 2.1.33
• 2.1.34
• 2.1.35
• 2.1.36
• 2.1.37
• 2.1.38
• 2.1.39
• 2.1.40
• 2.1.41
• 2.1.42
• 2.1.43
• 2.1.44
• 2.1.45
• 2.1.46
• 2.1.47
• 2.1.48
• 2.1.49
• 2.1.50
• 2.1.51
• 2.1.52
• 2.1.53
• 2.1.54
• 2.1.55
• 2.1.56
• 2.1.57
• 2.1.58
• 2.1.59
• 2.1.60
• 2.1.61

License

• open-source

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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