In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - jetty: Timing channel attack in util/security/Password.java (CVE-2017-9735)

  - jetty: error path information disclosure (CVE-2019-10247)

  - In Eclipse Jetty version 9.2.26 and older, 9.3.25 and older, and 9.4.15 and older, the server is     vulnerable to XSS conditions if a remote client USES a specially formatted URL against the DefaultServlet     or ResourceHandler that is configured for showing a Listing of directory contents. (CVE-2019-10241)

  - In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1     thru 11.0.0.beta2O, on Unix like systems, the system's temporary directory is shared between all users on     that system. A collocated user can observe the process of creating a temporary sub directory in the shared     temporary directory and race to complete the creation of the temporary subdirectory. If the attacker wins     the race then they will have read and write permission to the subdirectory used to unpack web     applications, including their WEB-INF/lib jar files and JSP files. If any code is ever executed out of     this temporary directory, this can lead to a local privilege escalation vulnerability. (CVE-2020-27216)

  - In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a     request containing multiple Accept headers with a large number of quality (i.e. q) parameters, the     server may enter a denial of service (DoS) state due to high CPU usage processing those quality values,     resulting in minutes of CPU time exhausted processing those quality values. (CVE-2020-27223)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - jetty: Timing channel attack in util/security/Password.java (CVE-2017-9735)

  - jetty: crafted URIs allow bypassing security constraints (CVE-2021-34429)

  - In Eclipse Jetty Server, all 9.x versions, on webapps deployed using default Error Handling, when an     intentionally bad query arrives that doesn't match a dynamic url-pattern, and is eventually handled by the     DefaultServlet's static file serving, the bad characters can trigger a java.nio.file.InvalidPathException     which includes the full path to the base resource directory that the DefaultServlet and/or webapp is     using. If this InvalidPathException is then handled by the default Error Handler, the InvalidPathException     message is included in the error response, revealing the full server path to the requesting system.
    (CVE-2018-12536)

  - In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a     request containing multiple Accept headers with a large number of quality (i.e. q) parameters, the     server may enter a denial of service (DoS) state due to high CPU usage processing those quality values,     resulting in minutes of CPU time exhausted processing those quality values. (CVE-2020-27223)

  - In Eclipse Jetty 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1, if a user uses a     webapps directory that is a symlink, the contents of the webapps directory is deployed as a static webapp,     inadvertently serving the webapps themselves and anything else that might be in that directory.
    (CVE-2021-28163)

  - In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with     URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For     example a request to /context/%2e/WEB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive     information regarding the implementation of a web application. (CVE-2021-28164)

  - In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can     reach 100% upon receiving a large invalid TLS frame. (CVE-2021-28165)

  - For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the     ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For     example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal     sensitive information regarding the implementation of a web application. (CVE-2021-28169)

  - For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, if an exception is thrown from the     SessionListener#sessionDestroyed() method, then the session ID is not invalidated in the session ID     manager. On deployments with clustered sessions and multiple contexts this can result in a session not     being invalidated. This can result in an application used on a shared computer being left logged in.
    (CVE-2021-34428)

  - Eclipse Jetty Canonical Repository is the canonical repository for the Jetty project. Users of the     CgiServlet with a very specific command structure may have the wrong command executed. If a user sends a     request to a org.eclipse.jetty.servlets.CGI Servlet for a binary with a space in its name, the servlet     will escape the command by wrapping it in quotation marks. This wrapped command, plus an optional command     prefix, will then be executed through a call to Runtime.exec. If the original binary name provided by the     user contains a quotation mark followed by a space, the resulting command line will contain multiple     tokens instead of one. This issue was patched in version 9.4.52, 10.0.16, 11.0.16 and 12.0.0-beta2.
    (CVE-2023-36479)

  - 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. (CVE-2023-40167)

  - Jetty is a Java based web server and servlet engine. Versions 9.4.21 through 9.4.51, 10.0.15, and 11.0.15     are vulnerable to weak authentication. If a Jetty `OpenIdAuthenticator` uses the optional nested     `LoginService`, and that `LoginService` decides to revoke an already authenticated user, then the current     request will still treat the user as authenticated. The authentication is then cleared from the session     and subsequent requests will not be treated as authenticated. So a request on a previously authenticated     session could be allowed to bypass authentication after it had been rejected by the `LoginService`. This     impacts usages of the jetty-openid which have configured a nested `LoginService` and where that     `LoginService` will is capable of rejecting previously authenticated users. Versions 9.4.52, 10.0.16, and     11.0.16 have a patch for this issue. (CVE-2023-41900)

  - Jetty is a Java based web server and servlet engine. An HTTP/2 SSL connection that is established and TCP     congested will be leaked when it times out. An attacker can cause many connections to end up in this     state, and the server may run out of file descriptors, eventually causing the server to stop accepting new     connections from valid clients. The vulnerability is patched in 9.4.54, 10.0.20, 11.0.20, and 12.0.6.
    (CVE-2024-22201)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The version of Jetty installed on the remote host handles a request containing request headers with a large number of quality (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage. Note that the scanner has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4949 advisory.

  - In Eclipse Jetty version 9.2.26 and older, 9.3.25 and older, and 9.4.15 and older, the server is     vulnerable to XSS conditions if a remote client USES a specially formatted URL against the DefaultServlet     or ResourceHandler that is configured for showing a Listing of directory contents. (CVE-2019-10241)

  - In Eclipse Jetty version 7.x, 8.x, 9.2.27 and older, 9.3.26 and older, and 9.4.16 and older, the server     running on any OS and Jetty version combination will reveal the configured fully qualified directory base     resource location on the output of the 404 error for not finding a Context that matches the requested     path. The default server behavior on jetty-distribution and jetty-home will include at the end of the     Handler tree a DefaultHandler, which is responsible for reporting this 404 error, it presents the various     configured contexts as HTML for users to click through to. This produced HTML includes output that     contains the configured fully qualified directory base resource location for each context.
    (CVE-2019-10247)

  - In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1     thru 11.0.0.beta2O, on Unix like systems, the system's temporary directory is shared between all users on     that system. A collocated user can observe the process of creating a temporary sub directory in the shared     temporary directory and race to complete the creation of the temporary subdirectory. If the attacker wins     the race then they will have read and write permission to the subdirectory used to unpack web     applications, including their WEB-INF/lib jar files and JSP files. If any code is ever executed out of     this temporary directory, this can lead to a local privilege escalation vulnerability. (CVE-2020-27216)

  - In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a     request containing multiple Accept headers with a large number of quality (i.e. q) parameters, the     server may enter a denial of service (DoS) state due to high CPU usage processing those quality values,     resulting in minutes of CPU time exhausted processing those quality values. (CVE-2020-27223)

  - The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the     bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\SYSTEM.
    (CVE-2020-28169)

  - For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, if an exception is thrown from the     SessionListener#sessionDestroyed() method, then the session ID is not invalidated in the session ID     manager. On deployments with clustered sessions and multiple contexts this can result in a session not     being invalidated. This can result in an application used on a shared computer being left logged in.
    (CVE-2021-34428)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2431 advisory.

  - jetty: local temporary directory hijacking vulnerability (CVE-2020-27216)

  - jetty: buffer not correctly recycled in Gzip Request inflation (CVE-2020-27218)

  - jetty: request containing multiple Accept headers with a large number of quality parameters may lead to     DoS (CVE-2020-27223)

  - jenkins-2-plugins/config-file-provider: Does not configure its XML parser to prevent XML external entity     (XXE) attacks. (CVE-2021-21642)

  - jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP     endpoints. (CVE-2021-21643)

  - jenkins-2-plugins/config-file-provider: does not require POST requests for an HTTP endpoint, resulting in     a cross-site request forgery (CSRF) vulnerability. (CVE-2021-21644)

  - jenkins-2-plugins/config-file-provider: Does not perform permission checks in several HTTP endpoints.
    (CVE-2021-21645)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2517 advisory.

  - jetty: local temporary directory hijacking vulnerability (CVE-2020-27216)

  - jetty: buffer not correctly recycled in Gzip Request inflation (CVE-2020-27218)

  - jetty: request containing multiple Accept headers with a large number of quality parameters may lead to     DoS (CVE-2020-27223)

  - jenkins-2-plugins/config-file-provider: Does not configure its XML parser to prevent XML external entity     (XXE) attacks. (CVE-2021-21642)

  - jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP     endpoints. (CVE-2021-21643)

  - jenkins-2-plugins/config-file-provider: does not require POST requests for an HTTP endpoint, resulting in     a cross-site request forgery (CSRF) vulnerability. (CVE-2021-21644)

  - jenkins-2-plugins/config-file-provider: Does not perform permission checks in several HTTP endpoints.
    (CVE-2021-21645)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2499 advisory.

  - jetty: local temporary directory hijacking vulnerability (CVE-2020-27216)

  - jetty: buffer not correctly recycled in Gzip Request inflation (CVE-2020-27218)

  - jetty: request containing multiple Accept headers with a large number of quality parameters may lead to     DoS (CVE-2020-27223)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
196494	RHEL 6 : jetty (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
196483	RHEL 7 : jetty (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
112998	Jetty 11.0.x < 11.0.1 Denial of Service	Web App Scanning	Component Vulnerability	medium
112997	Jetty 10.0.x < 10.0.1 Denial of Service	Web App Scanning	Component Vulnerability	medium
112996	Jetty 9.4.6 < 9.4.37 Denial of Service	Web App Scanning	Component Vulnerability	medium
152224	Debian DSA-4949-1 : jetty9 - security update	Nessus	Debian Local Security Checks	critical
151290	RHEL 7 : OpenShift Container Platform 4.5.41 (RHSA-2021:2431)	Nessus	Red Hat Local Security Checks	high
151276	RHEL 7 : OpenShift Container Platform 3.11.462 bug fix and (RHSA-2021:2517)	Nessus	Red Hat Local Security Checks	high
151117	RHEL 8 : OpenShift Container Platform 4.6.36 (RHSA-2021:2499)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2020-27223

medium

Tenable Plugins

high

high

medium

medium

medium

critical

high

high

high