org.apache.tomcat.embed:tomcat-embed-core@9.0.13 vulnerabilities

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Uncaught Exception due to the custom Jakarta Authentication ServerAuthContext component which may throw an exception during the authentication process without setting an HTTP status to indicate failure. An attacker can gain unauthorized access by exploiting this unchecked error condition.

Note:

This is only exploitable if Tomcat is configured to use a custom Jakarta Authentication ServerAuthContext component that behaves in this way. According to the maintainers, no such cases are known.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.96, 10.1.31, 11.0.0 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the unwrap() function in SecureNio2Channel class, during a TLS handshake. Under certain configurations using TLS 1.3, an attacker can trigger an OutOfMemoryError.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.90, 10.1.25, 11.0.0-M21 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Insufficient Session Expiration due to an infinite timeout being assigned to an open connection improperly, in http2/Stream.java. An attacker can force this situation by sending an HTTP/2 stream with excessive headers, causing an out-of-memory error or exhausting maxConnections.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.90, 10.1.25, 11.0.0-M21 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS) when processing a crafted HTTP/2 request. If the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.99, 9.0.86, 10.1.19, 1.0.0-M17 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Exposure through an incomplete POST request, which triggers an error response that could contain data from a previous request from another user.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.64, 9.0.44, 10.0.4 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Improper Input Validation due to the improper parsing of HTTP trailer headers. An attacker can manipulate the server into treating a single request as multiple requests by sending a trailer header that exceeds the header size limit. This could lead to request smuggling when the server is behind a reverse proxy.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.96, 9.0.83, 10.1.16, 11.0.0-M10 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Incomplete Cleanup when recycling various internal objects. An error could cause some parts of the recycling process to be skipped, leading to information leaking from the current request/response to the next. An attacker can gain unauthorised access to sensitive information by exploiting this error.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.94, 9.0.81, 10.1.14, 11.0.0-M12 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Improper Input Validation due to the improper handling of HTTP trailer headers. An attacker can manipulate the server into treating a single request as multiple requests by sending a specially crafted, invalid trailer header. This could lead to request smuggling when the server is behind a reverse proxy.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.94, 9.0.81, 10.1.14, 11.0.0-M12 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS) in the implementation of the HTTP/2 protocol. An attacker can cause a denial of service (including via DDoS) by rapidly resetting many streams through request cancellation.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.94, 9.0.81, 10.1.14, 11.0.0-M12 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Access Restriction Bypass. If the ROOT (default) web application is configured to use FORM authentication then it is possible that a specially crafted URL could be used to trigger a redirect to an URL of the attackers choice.

The vulnerability is limited to the ROOT (default) web application.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.93, 9.0.80, 10.1.13, 11.0.0-M11 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Unprotected Transport of Credentials when using the RemoteIpFilter with requests received from a reverse proxy via HTTP, in which the X-Forwarded-Proto header is set to https. Session cookies do not include the secure attribute, so the user agent may transmit the session cookie over an insecure channel.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.86, 9.0.72, 10.1.6, 11.0.0-M3 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS) when an attacker sends a large number of request parts in a series of uploads or a single multipart upload.

NOTE: After upgrading to the fixed version, the setFileCountMax() must be explicitly set to avoid this vulnerability.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.85, 9.0.71, 10.1.5, 11.0.0-M3 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to HTTP Request Smuggling when improper requests containing an invalid Content-Length header are not being properly rejected.

Note: Exploiting this vulnerability is also possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.53, 9.0.68, 10.0.27, 10.1.1 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Exposure. due to a concurrency bug that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.78, 9.0.62, 10.0.20, 10.1.0-M14 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Privilege Escalation via a time of check, time of use vulnerability that allows a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.75, 9.0.58, 10.0.16, 10.1.0-M10 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS). When Tomcat is configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially-crafted packet could be used to trigger an infinite loop resulting in a denial of service.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.4, 8.5.64, 9.0.44 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to HTTP Request Smuggling. Tomcat does not correctly parse the HTTP transfer-encoding request header in some circumstances, leading to the possibility of request smuggling when used with a reverse proxy.

Specifically, Tomcat incorrectly ignores the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; it honours the identify encoding; and it does not ensure that, if present, the chunked encoding was the final encoding.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.7, 9.0.48, 8.5.68 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Improper Input Validation. Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data (e.g., user names) as well as configuration data provided by an administrator. In limited circumstances it was possible for users to authenticate using variations of their user name and/or to bypass some of the protection provided by the LockOut Realm.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.6, 9.0.46, 8.5.66, 7.0.109 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to HTTP Request Smuggling. When responding to new h2c connection requests, Apache Tomcat could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.2, 9.0.43, 8.5.63 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.2, 9.0.43, 8.5.63, 7.0.108 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Disclosure. When serving resources from a network location using the NTFS file system, affected versions were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.0-M10, 9.0.40, 8.5.60, 7.0.107 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Exposure. An HTTP request header value could be reused from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.60, 9.0.40, 10.0.0-M10 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to HTTP Request Smuggling. If an HTTP/2 client connecting to Apache Tomcat exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.0-M8, 9.0.38, 8.5.58 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS). An h2c direct connection did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests are made, an OutOfMemoryException could occur leading to a denial of service.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.0-M7, 9.0.37, 8.5.57 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS). A specially crafted sequence of HTTP/2 requests could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.56, 9.0.36, 10.0.0-M6 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). If an attacker is able to control the contents and name of a file on the server; and the server is configured to use the PersistenceManager with a FileStore; and the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 10.0.0-M5, 9.0.35, 8.5.55, 7.0.104 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Session Fixation. When using FORM authentication there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.30, 8.5.50, 7.0.99 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS) due to not sending WINDOW_UPDATE messages for the connection window, clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.

Note: This vulnerability is due to an incomplete fix for CVE-2019-0199.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.40, 9.0.20 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the SSI printenv command.

Note: Server Side Includes (SSI) is disabled by default and is intended for debugging purposes only.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.18, 8.5.40, 7.0.94 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Remote Code Execution due to a bug in the way the underlying Java Runtime Environment (JRE) passes command line arguments to windows systems when the option enableCmdLineArguments is enabled.

The CGI Servlet in Apache Tomcat when enabled, will pass user input to the underlying operating system for command line parsing. However, this process is not consistent and may allow the injection of additional arguments. This misconfiguration could be abused by attackers to execute code on an application's underlying operating system.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 7.0.94, 8.5.40, 9.0.18 or higher.

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Denial of Service (DoS). The HTTP/2 implementation accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able to cause server-side threads to block eventually leading to thread exhaustion.

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.38, 9.0.16 or higher.