Redhat Undertow vulnerabilities

CVE-2021-3597 [MEDIUM] CWE-362 CVE-2021-3597: A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circu A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior

CVE-2019-19343 [HIGH] CWE-400 CVE-2019-19343: A flaw was found in Undertow when using Remoting as shipped in Red Hat Jboss EAP before version 7.2. A flaw was found in Undertow when using Remoting as shipped in Red Hat Jboss EAP before version 7.2.4. A memory leak in HttpOpenListener due to holding remote connections indefinitely may lead to denial of service. Versions before undertow 2.0.25.SP1 and jboss-remoting 5.0.14.SP1 are believed to be vulnerable.

CVE-2020-27782 [HIGH] CWE-400 CVE-2020-27782: A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes coul A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.

CVE-2021-20220 [MEDIUM] CVE-2021-20220: A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smu A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than

CVE-2020-10687 [MEDIUM] CVE-2020-10687: A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request sm A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other tha

CVE-2020-10705 [HIGH] CWE-770 CVE-2020-10705: A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.

CVE-2020-10719 [MEDIUM] CWE-444 CVE-2020-10719: A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTT A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.

CVE-2020-1745 [CRITICAL] CWE-285 CVE-2020-1745: A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configurati A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before and was fixed in 2.0.30.Final. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable se

CVE-2020-1757 [HIGH] CWE-20 CVE-2020-1757: A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x versions prior to undertow-2.1.0.Final, where the Servlet container causes servletPath to normalize incorrectly by truncating the path after semicolon which may lead to an application mapping resulting in the security bypass.

CVE-2019-14888 [HIGH] CWE-400 CVE-2019-14888: A vulnerability was found in the Undertow HTTP server in versions before 2.0.28.SP1 when listening o A vulnerability was found in the Undertow HTTP server in versions before 2.0.28.SP1 when listening on HTTPS. An attacker can target the HTTPS port to carry out a Denial Of Service (DOS) to make the service unavailable on SSL.

CVE-2019-10212 [CRITICAL] CWE-532 CVE-2019-10212: A flaw was found in, all under 2.0.20, in the Undertow DEBUG log for io.undertow.request.security. I A flaw was found in, all under 2.0.20, in the Undertow DEBUG log for io.undertow.request.security. If enabled, an attacker could abuse this flaw to obtain the user's credentials from the log files.

CVE-2019-10184 [HIGH] CWE-862 CVE-2019-10184: undertow before version 2.0.23.Final is vulnerable to an information leak issue. Web apps may have t undertow before version 2.0.23.Final is vulnerable to an information leak issue. Web apps may have their directory structures predicted through requests without trailing slashes via the api.

CVE-2019-3888 [CRITICAL] CWE-532 CVE-2019-3888: A vulnerability was found in Undertow web server before 2.0.21. An information exposure of plain tex A vulnerability was found in Undertow web server before 2.0.21. An information exposure of plain text credentials through log files because Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange)

CVE-2018-14642 [MEDIUM] CVE-2018-14642: An information leak vulnerability was found in Undertow An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.

CVE-2018-1114 [MEDIUM] CVE-2018-1114: It was found that URLResource It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized which can cause file descriptors to exhaust. This leads to a file handler leak.

CVE-2017-2670 [HIGH] CWE-835 CVE-2017-2670: It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.

CVE-2017-12165 [HIGH] CWE-444 CVE-2017-12165: It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.

CVE-2017-2666 [MEDIUM] CVE-2017-2666: It was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters 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, pe

CVE-2018-1067 [MEDIUM] CVE-2018-1067: In Undertow before versions 7.1.2.CR1, 7.1.2.GA it was found that the fix for CVE-2016-4993 was inco In Undertow before versions 7.1.2.CR1, 7.1.2.GA it was found that the fix for CVE-2016-4993 was incomplete and Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.

CVE-2017-12196 [MEDIUM] CWE-287 CVE-2017-12196: undertow before versions 1.4.18.SP1, 2.0.2.Final, 1.4.24.Final was found vulnerable when using Diges undertow before versions 1.4.18.SP1, 2.0.2.Final, 1.4.24.Final was found vulnerable when using Digest authentication, the server does not ensure that the value of URI in the Authorization header matches the URI in HTTP request line. This allows the attacker to cause a MITM attack and access the desired content on the server.