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GHSA-8m5h-hrqm-pxm2

HighCVSS 7.5 / 10
Published Apr 27, 2022·Last modified Nov 3, 2025
Affected Components(0)

No affected components available

Description

Impact

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.

Patches

This vulnerability is patched in release 2.3.0.0 of ESAPI. See https://github.com/ESAPI/esapi-java-legacy/releases/tag/esapi-2.3.0.0 for details.

Workarounds

Yes; in theory, one could write the own implementation of the Validator interface. This would most easily be done by sub-classing a version of the affected DefaultValidator class and then overriding the affected getValidDirectoryPath() to correct the issue. However, this is not recommended.

For more information

If you have any questions or comments about this advisory:

Risk Scores
Base Score
7.5

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
6.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
2.83%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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