The remote Red Hat Enterprise Linux CoreOS 4 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)

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

Several vulnerabilities were discovered in jetty, a Java servlet engine and webserver. An attacker may reveal cryptographic credentials such as passwords to a local user, disclose installation paths, hijack user sessions or tamper with collocated webapps.

CVE-2017-9735

Jetty is prone to a timing channel in util/security/Password.java, which makes it easier for remote attackers to obtain access by observing elapsed times before rejection of incorrect passwords.

CVE-2018-12536

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-2019-10241

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-2019-10247

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-2020-27216

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.

This update also includes several other bug fixes and improvements.
For more information please refer to the upstream changelog file.

For Debian 9 stretch, these problems have been fixed in version 9.2.30-0+deb9u1.

We recommend that you upgrade your jetty9 packages.

For the detailed security status of jetty9 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/jetty9

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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 versions of Oracle Siebel CRM installed on the remote host are affected by multiple vulnerabilities as referenced in the July 2021 CPU advisory.

  - Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Services     (jackson-databind)). Supported versions that are affected are 21.5 and Prior. Difficult to exploit     vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Core -     Server Framework. Successful attacks of this vulnerability can result in takeover of Siebel Core - Server     Framework. (CVE-2020-24750)

  - Vulnerability in the Siebel Core - Automation product of Oracle Siebel CRM (component: Test Automation     (Eclipse Jetty)). Supported versions that are affected are 21.5 and Prior. Easily exploitable     vulnerability allows low privileged attacker with logon to the infrastructure where Siebel Core -     Automation executes to compromise Siebel Core - Automation. Successful attacks of this vulnerability can     result in takeover of Siebel Core - Automation. (CVE-2020-27216)

  - Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Cloud Gateway     (Zookeeper)). Supported versions that are affected are 21.5 and Prior. Easily exploitable vulnerability     allows unauthenticated attacker with network access via HTTP to compromise Siebel Core - Server Framework.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of Siebel Core - Server Framework. (CVE-2017-5637)

  - Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Email Marketing     Stand-Alone). Supported versions that are affected are 21.5 and Prior. Easily exploitable vulnerability     allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing.
    Successful attacks require human interaction from a person other than the attacker and while the     vulnerability is in Siebel Apps - Marketing, attacks may significantly impact additional products.
    Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to     some of Siebel Apps - Marketing accessible data as well as unauthorized read access to a subset of Siebel     Apps - Marketing accessible data. (CVE-2021-2338)

  - Vulnerability in the Siebel CRM product of Oracle Siebel CRM (component: Siebel Core - Server     Infrastructure). Supported versions that are affected are 21.5 and Prior. Difficult to exploit     vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM.
    Successful attacks of this vulnerability can result in unauthorized access to critical data or complete     access to all Siebel CRM accessible data. (CVE-2021-2368)

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.

    Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution     designed for on-premise or private cloud deployments.

    This advisory contains the RPM packages for Red Hat OpenShift Container Platform 3.11.462. See the     following advisory for the container images for this release:

    https://access.redhat.com/errata/RHBA-2021:2516

    Space precludes documenting all of the bug fixes and enhancements in this advisory. See the following     Release Notes documentation, which will be updated shortly for this release, for details about these     changes:

    https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html

    All OpenShift Container Platform 3.11 users are advised to upgrade to these updated packages and images.

    Security Fix(es):

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

    * 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 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)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
312561	RHCOS 4 : OpenShift Container Platform 4.5.41 (RHSA-2021:2431)	Nessus	Red Hat Local Security Checks	2026/5/6	2026/5/7	high
149518	Debian DLA-2661-1 : jetty9 security update	Nessus	Debian Local Security Checks	2021/5/17	2024/1/16	high
152224	Debian DSA-4949-1 : jetty9 - security update	Nessus	Debian Local Security Checks	2021/8/5	2023/12/6	critical
212428	Oracle Siebel Server (July 2021 CPU)	Nessus	Misc.	2024/12/11	2024/12/12	high
151276	RHEL 7 : OpenShift Container Platform 3.11.462 (RHSA-2021:2517)	Nessus	Red Hat Local Security Checks	2021/7/1	2024/11/7	high
223564	Linux Distros Unpatched Vulnerability : CVE-2020-27216	Nessus	Misc.	2025/3/4	2026/8/4	high

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