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CVE-2023-40167 PoC — Jetty accepts "+" prefixed value in Content-Length

Source
Associated Vulnerability
Title:Jetty accepts "+" prefixed value in Content-Length (CVE-2023-40167)
Description:Jetty is a Java based web server and servlet engine. Prior to versions 9.4.52, 10.0.16, 11.0.16, and 12.0.1, Jetty accepts the `+` character proceeding the content-length value in a HTTP/1 header field. This is more permissive than allowed by the RFC and other servers routinely reject such requests with 400 responses. There is no known exploit scenario, but it is conceivable that request smuggling could result if jetty is used in combination with a server that does not close the connection after sending such a 400 response. Versions 9.4.52, 10.0.16, 11.0.16, and 12.0.1 contain a patch for this issue. There is no workaround as there is no known exploit scenario.
File Snapshot

[4.0K] /data/pocs/2555c06dc5a5a9b9654ca5cf0d8f42ecd9e13d81 ├── [4.0K] assembly │   └── [ 338] site-component.xml ├── [4.0K] config │   ├── [4.0K] etc │   │   ├── [ 430] home-base-warning.xml │   │   ├── [2.1K] jdbcRealm.properties │   │   ├── [ 813] jetty-acceptratelimit.xml │   │   ├── [ 791] jetty-bytebufferpool.xml │   │   ├── [ 694] jetty-connectionlimit.xml │   │   ├── [1.9K] jetty-customrequestlog.xml │   │   ├── [1.1K] jetty-debuglog.xml │   │   ├── [1.7K] jetty-debug.xml │   │   ├── [2.6K] jetty-gzip.xml │   │   ├── [1.9K] jetty-http-forwarded.xml │   │   ├── [1.2K] jetty-https.xml │   │   ├── [3.4K] jetty-http.xml │   │   ├── [ 897] jetty-ipaccess.xml │   │   ├── [1.6K] jetty-lowresources.xml │   │   ├── [ 359] jetty-proxy-protocol-ssl.xml │   │   ├── [ 360] jetty-proxy-protocol.xml │   │   ├── [2.0K] jetty-requestlog.xml │   │   ├── [ 513] jetty-ssl-context-reload.xml │   │   ├── [3.9K] jetty-ssl-context.xml │   │   ├── [3.8K] jetty-ssl.xml │   │   ├── [ 718] jetty-stats.xml │   │   ├── [ 884] jetty-threadlimit.xml │   │   ├── [2.0K] jetty-threadpool.xml │   │   ├── [8.2K] jetty.xml │   │   └── [4.0K] sessions │   │   ├── [4.0K] file │   │   │   └── [ 933] session-store.xml │   │   ├── [1.5K] id-manager.xml │   │   ├── [4.0K] jdbc │   │   │   ├── [ 678] datasource.xml │   │   │   ├── [ 756] driver.xml │   │   │   └── [2.9K] session-store.xml │   │   ├── [1.2K] session-cache-hash.xml │   │   ├── [ 924] session-cache-null.xml │   │   └── [4.0K] session-data-cache │   │   └── [ 864] session-caching-store.xml │   └── [4.0K] modules │   ├── [ 472] acceptratelimit.mod │   ├── [ 782] bytebufferpool.mod │   ├── [ 433] connectionlimit.mod │   ├── [ 267] continuation.mod │   ├── [ 921] customrequestlog.mod │   ├── [ 554] debuglog.mod │   ├── [ 669] debug.mod │   ├── [ 276] ext.mod │   ├── [ 368] flight-recorder.mod │   ├── [ 940] gzip.mod │   ├── [ 237] home-base-warning.mod │   ├── [1.2K] http-forwarded.mod │   ├── [1.7K] http.mod │   ├── [ 271] https.mod │   ├── [4.0K] inetaccess │   │   └── [1.7K] jetty-inetaccess.xml │   ├── [ 707] inetaccess.mod │   ├── [ 266] ipaccess.mod │   ├── [ 124] jdbc.mod │   ├── [ 839] jvm.mod │   ├── [4.0K] logback-access │   │   ├── [ 666] jetty-logback-access.xml │   │   └── [ 574] logback-access.xml │   ├── [ 617] logback-access.mod │   ├── [1.0K] lowresources.mod │   ├── [ 430] proxy-protocol.mod │   ├── [ 457] proxy-protocol-ssl.mod │   ├── [ 950] requestlog.mod │   ├── [ 331] resources.mod │   ├── [2.6K] server.mod │   ├── [ 703] session-cache-hash.mod │   ├── [ 414] session-cache-null.mod │   ├── [4.0K] sessions │   │   └── [4.0K] jdbc │   │   ├── [ 213] datasource.mod │   │   └── [ 204] driver.mod │   ├── [ 689] sessions.mod │   ├── [ 607] session-store-cache.mod │   ├── [ 430] session-store-file.mod │   ├── [2.1K] session-store-jdbc.mod │   ├── [4.0K] ssl │   │   └── [3.6K] keystore │   ├── [4.1K] ssl.mod │   ├── [ 376] ssl-reload.mod │   ├── [ 326] stats.mod │   ├── [ 415] threadlimit.mod │   └── [ 591] threadpool.mod ├── [ 76K] HttpParser.java ├── [4.0K] java │   └── [4.0K] org │   └── [4.0K] eclipse │   └── [4.0K] jetty │   └── [4.0K] server │   ├── [5.2K] AbstractConnectionFactory.java │   ├── [ 28K] AbstractConnector.java │   ├── [ 14K] AbstractNCSARequestLog.java │   ├── [3.2K] AbstractNetworkConnector.java │   ├── [7.9K] AcceptRateLimit.java │   ├── [4.7K] AsyncAttributes.java │   ├── [3.8K] AsyncContextEvent.java │   ├── [5.7K] AsyncContextState.java │   ├── [1.3K] AsyncNCSARequestLog.java │   ├── [3.4K] AsyncRequestLogWriter.java │   ├── [6.4K] Authentication.java │   ├── [ 25K] CachedContentFactory.java │   ├── [2.8K] ClassLoaderDump.java │   ├── [5.4K] ConnectionFactory.java │   ├── [8.2K] ConnectionLimit.java │   ├── [3.4K] Connector.java │   ├── [9.4K] ConnectorStatistics.java │   ├── [ 16K] CookieCutter.java │   ├── [ 39K] CustomRequestLog.java │   ├── [ 12K] DebugListener.java │   ├── [ 14K] DetectorConnectionFactory.java │   ├── [ 17K] Dispatcher.java │   ├── [1.8K] EncodingHttpWriter.java │   ├── [ 24K] ForwardedRequestCustomizer.java │   ├── [4.0K] handler │   │   ├── [6.4K] AbstractHandlerContainer.java │   │   ├── [7.3K] AbstractHandler.java │   │   ├── [3.0K] AllowSymLinkAliasChecker.java │   │   ├── [5.6K] AsyncDelayHandler.java │   │   ├── [ 12K] BufferedResponseHandler.java │   │   ├── [ 14K] ContextHandlerCollection.java │   │   ├── [ 97K] ContextHandler.java │   │   ├── [5.8K] DebugHandler.java │   │   ├── [8.4K] DefaultHandler.java │   │   ├── [ 23K] ErrorHandler.java │   │   ├── [4.0K] gzip │   │   │   ├── [1.1K] GzipFactory.java │   │   │   ├── [ 36K] GzipHandler.java │   │   │   ├── [2.4K] GzipHttpInputInterceptor.java │   │   │   ├── [ 15K] GzipHttpOutputInterceptor.java │   │   │   └── [ 883] package-info.java │   │   ├── [7.5K] HandlerCollection.java │   │   ├── [2.1K] HandlerList.java │   │   ├── [4.4K] HandlerWrapper.java │   │   ├── [3.6K] HotSwapHandler.java │   │   ├── [3.9K] IdleTimeoutHandler.java │   │   ├── [6.7K] InetAccessHandler.java │   │   ├── [ 12K] IPAccessHandler.java │   │   ├── [4.0K] jmx │   │   │   ├── [3.6K] AbstractHandlerMBean.java │   │   │   ├── [2.8K] ContextHandlerMBean.java │   │   │   └── [ 902] package-info.java │   │   ├── [3.4K] ManagedAttributeListener.java │   │   ├── [4.3K] MovedContextHandler.java │   │   ├── [ 891] package-info.java │   │   ├── [2.4K] RequestLogHandler.java │   │   ├── [ 15K] ResourceHandler.java │   │   ├── [ 10K] ScopedHandler.java │   │   ├── [2.7K] SecuredRedirectHandler.java │   │   ├── [8.6K] ShutdownHandler.java │   │   ├── [ 20K] StatisticsHandler.java │   │   └── [ 15K] ThreadLimitHandler.java │   ├── [2.2K] HandlerContainer.java │   ├── [3.5K] Handler.java │   ├── [2.4K] HomeBaseWarning.java │   ├── [2.7K] HostHeaderCustomizer.java │   ├── [ 43K] HttpChannel.java │   ├── [ 11K] HttpChannelListeners.java │   ├── [ 18K] HttpChannelOverHttp.java │   ├── [ 41K] HttpChannelState.java │   ├── [ 25K] HttpConfiguration.java │   ├── [3.2K] HttpConnectionFactory.java │   ├── [ 29K] HttpConnection.java │   ├── [ 33K] HttpInput.java │   ├── [1.2K] HttpInputOverHTTP.java │   ├── [ 58K] HttpOutput.java │   ├── [2.9K] HttpTransport.java │   ├── [2.2K] HttpWriter.java │   ├── [7.7K] InclusiveByteRange.java │   ├── [1.9K] Iso88591HttpWriter.java │   ├── [4.0K] jmx │   │   ├── [1.8K] AbstractConnectorMBean.java │   │   ├── [ 893] package-info.java │   │   └── [1.8K] ServerMBean.java │   ├── [ 20K] LocalConnector.java │   ├── [ 20K] LowResourceMonitor.java │   ├── [2.1K] MultiPartCleanerListener.java │   ├── [1.4K] MultiPartFormDataCompliance.java │   ├── [5.0K] MultiParts.java │   ├── [6.1K] NCSARequestLog.java │   ├── [4.1K] NegotiatingServerConnectionFactory.java │   ├── [4.9K] NegotiatingServerConnection.java │   ├── [2.4K] NetworkConnector.java │   ├── [3.3K] NetworkTrafficServerConnector.java │   ├── [4.0K] nio │   │   ├── [2.2K] NetworkTrafficSelectChannelConnector.java │   │   └── [ 892] package-info.java │   ├── [5.3K] OptionalSslConnectionFactory.java │   ├── [ 882] package-info.java │   ├── [ 34K] ProxyConnectionFactory.java │   ├── [4.2K] ProxyCustomizer.java │   ├── [6.1K] PushBuilderImpl.java │   ├── [9.6K] PushBuilder.java │   ├── [1.5K] QuietServletException.java │   ├── [ 80K] Request.java │   ├── [1.4K] RequestLogCollection.java │   ├── [2.2K] RequestLog.java │   ├── [6.8K] RequestLogWriter.java │   ├── [4.0K] resource │   │   ├── [2.0K] ByteBufferRangeWriter.java │   │   ├── [2.8K] HttpContentRangeWriter.java │   │   ├── [3.9K] InputStreamRangeWriter.java │   │   ├── [1.5K] RangeWriter.java │   │   └── [5.1K] SeekableByteChannelRangeWriter.java │   ├── [4.3K] ResourceContentFactory.java │   ├── [ 31K] ResourceService.java │   ├── [ 42K] Response.java │   ├── [ 11K] ResponseWriter.java │   ├── [2.7K] SameFileAliasChecker.java │   ├── [ 16K] SecureRequestCustomizer.java │   ├── [1.2K] ServerConnectionStatistics.java │   ├── [ 23K] ServerConnector.java │   ├── [ 22K] Server.java │   ├── [2.1K] ServletAttributes.java │   ├── [5.3K] ServletRequestHttpWrapper.java │   ├── [3.4K] ServletResponseHttpWrapper.java │   ├── [4.0K] session │   │   ├── [3.7K] AbstractSessionCacheFactory.java │   │   ├── [ 29K] AbstractSessionCache.java │   │   ├── [1.6K] AbstractSessionDataStoreFactory.java │   │   ├── [8.0K] AbstractSessionDataStore.java │   │   ├── [2.1K] CachingSessionDataStoreFactory.java │   │   ├── [6.2K] CachingSessionDataStore.java │   │   ├── [8.2K] DatabaseAdaptor.java │   │   ├── [1.1K] DefaultSessionCacheFactory.java │   │   ├── [5.6K] DefaultSessionCache.java │   │   ├── [ 15K] DefaultSessionIdManager.java │   │   ├── [2.2K] FileSessionDataStoreFactory.java │   │   ├── [ 21K] FileSessionDataStore.java │   │   ├── [8.0K] HouseKeeper.java │   │   ├── [2.0K] JDBCSessionDataStoreFactory.java │   │   ├── [ 37K] JDBCSessionDataStore.java │   │   ├── [2.3K] NullSessionCacheFactory.java │   │   ├── [2.6K] NullSessionCache.java │   │   ├── [1.3K] NullSessionDataStoreFactory.java │   │   ├── [2.1K] NullSessionDataStore.java │   │   ├── [ 909] package-info.java │   │   ├── [ 978] SessionCacheFactory.java │   │   ├── [ 11K] SessionCache.java │   │   ├── [3.7K] SessionContext.java │   │   ├── [ 15K] SessionData.java │   │   ├── [ 964] SessionDataMapFactory.java │   │   ├── [2.1K] SessionDataMap.java │   │   ├── [1011] SessionDataStoreFactory.java │   │   ├── [2.4K] SessionDataStore.java │   │   ├── [ 59K] SessionHandler.java │   │   ├── [ 35K] Session.java │   │   ├── [1.7K] UnreadableSessionDataException.java │   │   └── [1.3K] UnwriteableSessionDataException.java │   ├── [3.5K] SessionIdManager.java │   ├── [ 13K] ShutdownMonitor.java │   ├── [2.0K] Slf4jRequestLog.java │   ├── [2.0K] Slf4jRequestLogWriter.java │   ├── [3.0K] SocketCustomizationListener.java │   ├── [5.8K] SslConnectionFactory.java │   ├── [3.2K] UserIdentity.java │   └── [6.4K] Utf8HttpWriter.java └── [4.0K] resources └── [4.0K] org └── [4.0K] eclipse └── [4.0K] jetty └── [1.1K] favicon.ico 29 directories, 237 files
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