| Package | Affected versions | Patched versions |
|---|---|---|
| io.undertow:undertow-core | ≥ 1.4.0, < 1.4.17< 1.3.31 | 1.4.171.3.31 |
| jboss enterprise application platform | = 7.0.0= 7.1.0 |
It was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters. 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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