Advisories for Maven/Org.owasp.esapi/Esapi package

The Validator.isValidSafeHTML method can result in false negatives where it reports some input as safe (i.e., returns true), but really isn't, and using that same input as-is can in certain circumstances result in XSS vulnerabilities. Because this method cannot be fixed, it is being deprecated and will be removed in one years time from when this advisory is published. Full details may be found in ESAPI Security Bulletin #12. Note …

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in org.owasp.esapi:esapi.

ESAPI 2.5.2.0 and later addressed the DoS vulnerability described in CVE-2023-24998, which Apache Commons FileUpload 1.5 attempted to remediate. But while writing up a new security bulletin regarding the impact on the affected ESAPI HTTPUtilities.getFileUploads methods (or more specifically those methods in the DefaultHTTPUtilities implementation class), I realized that a DoS vulnerability still persists in ESAPI and for that matter in Apache Commons FileUpload as well.

The authenticated-encryption feature in the symmetric-encryption implementation in the OWASP Enterprise Security API (ESAPI) for Java 2.x before 2.1.0 does not properly resist tampering with serialized ciphertext, which makes it easier for remote attackers to bypass intended cryptographic protection mechanisms via an attack against authenticity in the default configuration, involving a null MAC and a zero MAC length.

ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library. Prior to version 2.3.0.0, there is a potential for a cross-site scripting vulnerability in ESAPI caused by a incorrect regular expression for onsiteURL in the antisamy-esapi.xml configuration file that can cause javascript: URLs to fail to be correctly sanitized. This issue is patched in ESAPI 2.3.0.0. As a workaround, manually edit the antisamy-esapi.xml configuration …

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 …

It was found that all OWASP ESAPI for Java up to version 2.0 RC2 are vulnerable to padding oracle attacks.

This package allows remote attackers to read arbitrary files via a .. in the p parameter to index.php.

The authenticated-encryption feature in the symmetric-encryption implementation in the this package does not properly resist tampering with serialized ciphertext, which makes it easier for remote attackers to bypass intended cryptographic protection mechanisms via an attack against the intended cipher mode in a non-default configuration, a different vulnerability than CVE-2013-5679.