| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| io.undertow:undertow-core | ≥ 1.3.0, < 1.3.31.Final≥ 1.4.0, < 1.4.17.Final≥ 2.0.0.Alpha1, < 2.0.0.Alpha2 | 1.3.31.Final1.4.17.Final2.0.0.Alpha2 |
| undertow | = 2.0.0≥ 1.3.0, < 1.3.31≥ 1.4.0, < 1.4.17 | 1.3.311.4.17 |
In Undertow 2.x before 2.0.0.Alpha2, 1.4.x before 1.4.17.Final, and 1.3.x before 1.3.31.Final, it was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own.
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