Description
ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library. Prior to version 2.3.0.0, the default implementation of `Validator.getValidDirectoryPath(String, String, File, boolean)` may incorrectly treat the tested input string as a child of the specified parent directory. This potentially could allow control-flow bypass checks to be defeated if an attack can specify the entire string representing the 'input' path. This vulnerability is patched in release 2.3.0.0 of ESAPI. As a workaround, it is possible to write one's own implementation of the Validator interface. However, maintainers do not recommend this.
Remediation
References
https://github.com/ESAPI/esapi-java-legacy/blob/develop/documentation/esapi4java-core-2.3.0.0-release-notes.txt
https://github.com/ESAPI/esapi-java-legacy/security/advisories/GHSA-8m5h-hrqm-pxm2
https://security.netapp.com/advisory/ntap-20230127-0014/
https://securitylab.github.com/advisories/GHSL-2022-008_The_OWASP_Enterprise_Security_API/
https://www.oracle.com/security-alerts/cpujul2022.html
https://lists.debian.org/debian-lts-announce/2025/07/msg00010.html
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