Apache Tika up to 0.18 C:/evil.bat" --extract-dir=) path traversal

Summaryinfo

A vulnerability was found in Apache Tika up to 0.18. It has been declared as problematic. This affects an unknown function of the file C:/evil.bat". The manipulation of the argument --extract-dir=) as part of Directory results in path traversal. This vulnerability is reported as CVE-2018-11762. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Apache Tika up to 0.18. It has been classified as problematic. Affected is some unknown processing of the file C:/evil.bat". The manipulation of the argument --extract-dir=) as part of a Directory leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity, and availability. CVE summarizes:

In Apache Tika 0.9 to 1.18, in a rare edge case where a user does not specify an extract directory on the commandline (--extract-dir=) and the input file has an embedded file with an absolute path, such as "C:/evil.bat", tika-app would overwrite that file.

The bug was discovered 09/19/2018. The weakness was disclosed 09/19/2018 (Website). The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2018-11762 since 06/05/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/25/2020). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105515†). The entry VDB-124241 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Apache

Name

• Tika

Version

• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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