The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3177-1 advisory.

    It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username     didn't exist. A remote attacker could possibly use this issue to enumerate usernames. This issue only     applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-0762)

    Alvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly limited use of a certain utility     method. A malicious application could possibly use this to bypass Security Manager restrictions. This     issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-5018)

    It was discovered that Tomcat did not protect applications from untrusted data in the HTTP_PROXY     environment variable. A remote attacker could possibly use this issue to redirect outbound traffic to an     arbitrary proxy server. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04     LTS. (CVE-2016-5388)

    It was discovered that Tomcat incorrectly controlled reading system properties. A malicious application     could possibly use this to bypass Security Manager restrictions. This issue only applied to Ubuntu 12.04     LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6794)

    It was discovered that Tomcat incorrectly controlled certain configuration parameters. A malicious     application could possibly use this to bypass Security Manager restrictions. This issue only applied to     Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6796)

    It was discovered that Tomcat incorrectly limited access to global JNDI resources. A malicious application     could use this to access any global JNDI resource without an explicit ResourceLink. This issue only     applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6797)

    Regis Leroy discovered that Tomcat incorrectly filtered certain invalid characters from the HTTP request     line. A remote attacker could possibly use this issue to inject data into HTTP responses. (CVE-2016-6816)

    Pierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not implement a recommended fix. A     remote attacker could possibly use this issue to execute arbitrary code. (CVE-2016-8735)

    It was discovered that Tomcat incorrectly handled error handling in the send file code. A remote attacker     could possibly use this issue to access information from other requests. (CVE-2016-8745)

    Paul Szabo discovered that the Tomcat package incorrectly handled upgrades and removals. A local attacker     could possibly use this issue to obtain root privileges. (CVE-2016-9774, CVE-2016-9775)

Tenable has extracted the preceding description block directly from the Ubuntu 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 remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:0455 advisory.

    Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web     applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache     Tomcat Connector (mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat Native library.

    This release of Red Hat JBoss Web Server 3.1.0 serves as a replacement for Red Hat JBoss Web Server 3.0.3,     and includes enhancements.

    Security Fix(es):

    * It was reported that the Tomcat init script performed unsafe file handling, which could result in local     privilege escalation. (CVE-2016-1240)

    * It was discovered that the Tomcat packages installed certain configuration files read by the Tomcat     initialization script as writeable to the tomcat group. A member of the group or a malicious web     application deployed on Tomcat could use this flaw to escalate their privileges. (CVE-2016-6325)

    * The JmxRemoteLifecycleListener was not updated to take account of Oracle's fix for CVE-2016-3427.
    JMXRemoteLifecycleListener is only included in EWS 2.x and JWS 3.x source distributions. If you deploy a     Tomcat instance built from source, using the EWS 2.x, or JWS 3.x distributions, an attacker could use this     flaw to launch a remote code execution attack on your deployed instance. (CVE-2016-8735)

    * A denial of service vulnerability was identified in Commons FileUpload that occurred when the length of     the multipart boundary was just below the size of the buffer (4096 bytes) used to read the uploaded file     if the boundary was the typical tens of bytes long. (CVE-2016-3092)

    * It was discovered 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, perform an XSS attack, or obtain sensitive information from requests     other then their own. (CVE-2016-6816)

    * A bug was discovered in the error handling of the send file code for the NIO HTTP connector. This led to     the current Processor object being added to the Processor cache multiple times allowing information     leakage between requests including, and not limited to, session ID and the response body. (CVE-2016-8745)

    * The Realm implementations did not process the supplied password if the supplied user name did not exist.
    This made a timing attack possible to determine valid user names. Note that the default configuration     includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762)

    * It was discovered that a malicious web application could bypass a configured SecurityManager via a     Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

    * It was discovered that when a SecurityManager is configured Tomcat's system property replacement feature     for configuration files could be used by a malicious web application to bypass the SecurityManager and     read system properties that should not be visible. (CVE-2016-6794)

    * It was discovered that a malicious web application could bypass a configured SecurityManager via     manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

    * It was discovered that it was possible for a web application to access any global JNDI resource whether     an explicit ResourceLink had been configured or not. (CVE-2016-6797)

    The CVE-2016-6325 issue was discovered by Red Hat Product Security.

    Enhancement(s):

    This enhancement update adds the Red Hat JBoss Web Server 3.1.0 packages to Red Hat Enterprise Linux 6.
    These packages provide a number of enhancements over the previous version of Red Hat JBoss Web Server.
    (JIRA#JWS-267)

    Users of Red Hat JBoss Web Server are advised to upgrade to these updated packages, which add this     enhancement.

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.

An update is now available for Red Hat JBoss Enterprise Application Platform 6.4 for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server.

This release of Red Hat JBoss Enterprise Application Platform 6.4.16 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.15, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es) :

* It was found that the log file viewer in Red Hat JBoss Enterprise Application 6 and 7 allows arbitrary file read to authenticated user via path traversal. (CVE-2017-2595)

* It was discovered that a malicious web application could bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

* It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

Multiple security vulnerabilities have been discovered in the Tomcat servlet and JSP engine, which may result in possible timing attacks to determine valid user names, bypass of the SecurityManager, disclosure of system properties, unrestricted access to global resources, arbitrary file overwrites, and potentially escalation of privileges.

It was discovered that the Tomcat packages installed certain configuration files read by the Tomcat initialization script as writeable to the tomcat group. A member of the group or a malicious web application deployed on Tomcat could use this flaw to escalate their privileges. (CVE-2016-6325)

A malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762)

When a SecurityManager is configured, a web application's ability to read system properties should be controlled by the SecurityManager.
Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible.
(CVE-2016-6794)

A malicious web application was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

The ResourceLinkFactory did not limit web application access to global JNDI resources to those resources explicitly linked to the web application. Therefore, it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not. (CVE-2016-6797)

This updates includes a rebase from tomcat 8.0.36 up to 8.0.38 which resolves multiple CVEs and a problem that 8.0.37 introduces to freeipa :

  - rhbz#1375581 - CVE-2016-5388 Tomcat: CGI sets     environmental variable based on user supplied Proxy     request header

  - rhbz#1390532 - CVE-2016-0762 CVE-2016-5018 CVE-2016-6794     CVE-2016-6796 CVE-2016-6797 tomcat: various flaws

and includes two additional CVE fixes along with one bug fix :

  - rhbz#1383210 - CVE-2016-5425 tomcat: Local privilege     escalation via systemd-tmpfiles service

  - rhbz#1383216 - CVE-2016-6325 tomcat: tomcat writable     config files allow privilege escalation

  - rhbz#1370262 - catalina.out is no longer in use in the     main package, but still gets rotated

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update is now available for Red Hat JBoss Web Server 3 for RHEL 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector (mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat Native library.

This release of Red Hat JBoss Web Server 3.1.0 serves as a replacement for Red Hat JBoss Web Server 3.0.3, and includes enhancements.

Security Fix(es) :

* It was reported that the Tomcat init script performed unsafe file handling, which could result in local privilege escalation.
(CVE-2016-1240)

* It was discovered that the Tomcat packages installed certain configuration files read by the Tomcat initialization script as writeable to the tomcat group. A member of the group or a malicious web application deployed on Tomcat could use this flaw to escalate their privileges. (CVE-2016-6325)

* The JmxRemoteLifecycleListener was not updated to take account of Oracle's fix for CVE-2016-3427. JMXRemoteLifecycleListener is only included in EWS 2.x and JWS 3.x source distributions. If you deploy a Tomcat instance built from source, using the EWS 2.x, or JWS 3.x distributions, an attacker could use this flaw to launch a remote code execution attack on your deployed instance. (CVE-2016-8735)

* A denial of service vulnerability was identified in Commons FileUpload that occurred when the length of the multipart boundary was just below the size of the buffer (4096 bytes) used to read the uploaded file if the boundary was the typical tens of bytes long.
(CVE-2016-3092)

* It was discovered 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, perform an XSS attack, or obtain sensitive information from requests other then their own. (CVE-2016-6816)

* A bug was discovered in the error handling of the send file code for the NIO HTTP connector. This led to the current Processor object being added to the Processor cache multiple times allowing information leakage between requests including, and not limited to, session ID and the response body. (CVE-2016-8745)

* The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762)

* It was discovered that a malicious web application could bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

* It was discovered that when a SecurityManager is configured Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible. (CVE-2016-6794)

* It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

* It was discovered that it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not. (CVE-2016-6797)

The CVE-2016-6325 issue was discovered by Red Hat Product Security.

Enhancement(s) :

* This enhancement update adds the Red Hat JBoss Web Server 3.1.0 packages to Red Hat Enterprise Linux 7. These packages provide a number of enhancements over the previous version of Red Hat JBoss Web Server. (JIRA#JWS-268)

An update for jboss-ec2-eap is now available for Red Hat JBoss Enterprise Application Platform 6.4 for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The jboss-ec2-eap packages provide scripts for Red Hat JBoss Enterprise Application Platform running on the Amazon Web Services (AWS) Elastic Compute Cloud (EC2).

With this update, the jboss-ec2-eap package has been updated to ensure compatibility with Red Hat JBoss Enterprise Application Platform 6.4.16.

Security Fix(es) :

* It was found that the log file viewer in Red Hat JBoss Enterprise Application 6 and 7 allows arbitrary file read to authenticated user via path traversal. (CVE-2017-2595)

* It was discovered that a malicious web application could bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

* It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

An update for tomcat is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

The following packages have been upgraded to a later upstream version:
tomcat (7.0.76). (BZ#1414895)

Security Fix(es) :

* The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762)

* It was discovered that a malicious web application could bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

* It was discovered that when a SecurityManager was configured, Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible.
(CVE-2016-6794)

* It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

* It was discovered that it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not. (CVE-2016-6797)

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.

According to the versions of the tomcat packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - The Realm implementations did not process the supplied     password if the supplied user name did not exist. This     made a timing attack possible to determine valid user     names. Note that the default configuration includes the     LockOutRealm which makes exploitation of this     vulnerability harder. (CVE-2016-0762)

  - It was discovered that a malicious web application     could bypass a configured SecurityManager via a Tomcat     utility method that was accessible to web applications.
    (CVE-2016-5018)

  - It was discovered that when a SecurityManager was     configured, Tomcat's system property replacement     feature for configuration files could be used by a     malicious web application to bypass the SecurityManager     and read system properties that should not be visible.
    (CVE-2016-6794)

  - It was discovered that a malicious web application     could bypass a configured SecurityManager via     manipulation of the configuration parameters for the     JSP Servlet. (CVE-2016-6796)

  - It was discovered that it was possible for a web     application to access any global JNDI resource whether     an explicit ResourceLink had been configured or not.
    (CVE-2016-6797)

  - A vulnerability was discovered in tomcat. When running     an untrusted application under a SecurityManager it was     possible, under some circumstances, for that     application to retain references to the request or     response objects and thereby access and/or modify     information associated with another web     application.(CVE-2017-5648)

  - A vulnerability was discovered in the error page     mechanism in Tomcat's DefaultServlet implementation. A     crafted HTTP request could cause undesired side     effects, possibly including the removal or replacement     of the custom error page.(CVE-2017-5664)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
96720	Ubuntu 14.04 LTS / 16.04 LTS : Tomcat vulnerabilities (USN-3177-1)	Nessus	Ubuntu Local Security Checks	2017/1/24	2024/8/27	critical
97595	RHEL 6 : Red Hat JBoss Web Server 3.1.0 (RHSA-2017:0455)	Nessus	Red Hat Local Security Checks	2017/3/8	2024/11/4	critical
100981	RHEL 6 : JBoss EAP (RHSA-2017:1549)	Nessus	Red Hat Local Security Checks	2017/6/22	2025/12/15	critical
95033	Debian DSA-3720-1 : tomcat8 - security update	Nessus	Debian Local Security Checks	2016/11/22	2026/1/16	critical
94684	Amazon Linux AMI : tomcat6 / tomcat7,tomcat8 (ALAS-2016-764)	Nessus	Amazon Linux Local Security Checks	2016/11/11	2026/1/19	critical
94747	Fedora 23 : 1:tomcat (2016-4094bd4ad6) (httpoxy)	Nessus	Fedora Local Security Checks	2016/11/14	2026/1/19	critical
94748	Fedora 24 : 1:tomcat (2016-c1b01b9278) (httpoxy)	Nessus	Fedora Local Security Checks	2016/11/14	2026/1/19	critical
97596	RHEL 7 : Red Hat JBoss Web Server 3.1.0 (RHSA-2017:0456)	Nessus	Red Hat Local Security Checks	2017/3/8	2023/5/14	critical
100949	RHEL 6 : jboss-ec2-eap (RHSA-2017:1552)	Nessus	Red Hat Local Security Checks	2017/6/21	2025/12/15	critical
95034	Debian DSA-3721-1 : tomcat7 - security update	Nessus	Debian Local Security Checks	2016/11/22	2026/1/16	critical
102115	RHEL 7 : tomcat (RHSA-2017:2247)	Nessus	Red Hat Local Security Checks	2017/8/2	2025/12/4	critical
103029	EulerOS 2.0 SP1 : tomcat (EulerOS-SA-2017-1191)	Nessus	Huawei Local Security Checks	2017/9/8	2025/11/24	critical

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