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CVE-2021-23937

DNS proxy and possible amplification attack PUBLISHED

Description (CNA)

A DNS proxy and possible amplification attack vulnerability in WebClientInfo of Apache Wicket allows an attacker to trigger arbitrary DNS lookups from the server when the X-Forwarded-For header is not properly sanitized. This DNS lookup can be engineered to overload an internal DNS server or to slow down request processing of the Apache Wicket application causing a possible denial of service on either the internal infrastructure or the web application itself. This issue affects Apache Wicket Apache Wicket 9.x version 9.2.0 and prior versions; Apache Wicket 8.x version 8.11.0 and prior versions; Apache Wicket 7.x version 7.17.0 and prior versions and Apache Wicket 6.x version 6.2.0 and later versions.

Affected (CNA)

Vendor / productVersions
Apache Software Foundation / Apache Wicketaffected Apache Wicket 9.x through 9.2.0; affected Apache Wicket 8.x through 8.11.0; affected Apache Wicket 7.x through 7.17.0; affected 6.2.0 before Apache Wicket 6.x*

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.