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CVE-2021-30638

An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and later

EPSS 6.6%CWE-200
Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using a specially-constructed URL. This was caused by an incomplete fix for CVE-2020-13953. This issue affects Apache Tapestry Apache Tapestry 5.4.0 version to Apache Tapestry 5.6.3; Apache Tapestry 5.7.0 version and Apache Tapestry 5.7.1.
Produtos afetados
Apache Software Foundation · Apache Tapestry

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Referências
https://lists.apache.org/thread.html/r37dab61fc7f7088d4311e7f995ef4117d58d86a675f0256caa6991eb%40%3Cusers.tapestry.apache.org%3Ehttps://security.netapp.com/advisory/ntap-20210528-0004/https://www.zerodayinitiative.com/advisories/ZDI-21-491/http://www.openwall.com/lists/oss-security/2021/04/27/3