The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-1780 advisory.

    [0:6.0.24-35]
    - Resolves: cve-2011-3190
    - Resolves: cve-2011-2204
    - Resolves: cve-2011-2526
    - Resolves: cve-2011-1184
    - Resolves: rhbz 748807 - tomcat6 broken when LANG=fr

Tenable has extracted the preceding description block directly from the Oracle 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.

Several vulnerabilities have been found in Tomcat, a servlet and JSP engine :

  - CVE-2011-1184 CVE-2011-5062 CVE-2011-5063 CVE-2011-5064     The HTTP Digest Access Authentication implementation     performed insufficient countermeasures against replay     attacks.

  - CVE-2011-2204     In rare setups passwords were written into a logfile.

  - CVE-2011-2526     Missing input sanitising in the HTTP APR or HTTP NIO     connectors could lead to denial of service.

  - CVE-2011-3190     AJP requests could be spoofed in some setups.

  - CVE-2011-3375     Incorrect request caching could lead to information     disclosure.

  - CVE-2011-4858 CVE-2012-0022     This update adds countermeasures against a collision     denial of service vulnerability in the Java hashtable     implementation and addresses denial of service     potentials when processing large amounts of requests.

Additional information can be found at

The remote Redhat Enterprise Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0682 advisory.

  - tomcat: Multiple weaknesses in HTTP DIGEST authentication (CVE-2011-1184, CVE-2011-5062, CVE-2011-5063,     CVE-2011-5064)

  - tomcat: password disclosure vulnerability (CVE-2011-2204)

  - tomcat: security manager restrictions bypass (CVE-2011-2526)

  - tomcat: authentication bypass and information disclosure (CVE-2011-3190)

  - tomcat: information disclosure due to improper response and request object recycling (CVE-2011-3375)

  - tomcat: hash table collisions CPU usage DoS (oCERT-2011-003) (CVE-2011-4858)

  - tomcat: large number of parameters DoS (CVE-2012-0022)

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

Updated tomcat6 packages that fix several security issues and one bug are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

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

APR (Apache Portable Runtime) as mentioned in the CVE-2011-3190 and CVE-2011-2526 descriptions does not refer to APR provided by the apr packages. It refers to the implementation of APR provided by the Tomcat Native library, which provides support for using APR with Tomcat. This library is not shipped with Red Hat Enterprise Linux 6.
This update includes fixes for users who have elected to use APR with Tomcat by taking the Tomcat Native library from a different product.
Such a configuration is not supported by Red Hat, however.

Multiple flaws were found in the way Tomcat handled HTTP DIGEST authentication. These flaws weakened the Tomcat HTTP DIGEST authentication implementation, subjecting it to some of the weaknesses of HTTP BASIC authentication, for example, allowing remote attackers to perform session replay attacks. (CVE-2011-1184)

A flaw was found in the way the Coyote (org.apache.coyote.ajp.AjpProcessor) and APR (org.apache.coyote.ajp.AjpAprProcessor) Tomcat AJP (Apache JServ Protocol) connectors processed certain POST requests. An attacker could send a specially crafted request that would cause the connector to treat the message body as a new request. This allows arbitrary AJP messages to be injected, possibly allowing an attacker to bypass a web application's authentication checks and gain access to information they would otherwise be unable to access. The JK (org.apache.jk.server.JkCoyoteHandler) connector is used by default when the APR libraries are not present. The JK connector is not affected by this flaw. (CVE-2011-3190)

A flaw was found in the Tomcat MemoryUserDatabase. If a runtime exception occurred when creating a new user with a JMX client, that user's password was logged to Tomcat log files. Note: By default, only administrators have access to such log files. (CVE-2011-2204)

A flaw was found in the way Tomcat handled sendfile request attributes when using the HTTP APR or NIO (Non-Blocking I/O) connector. A malicious web application running on a Tomcat instance could use this flaw to bypass security manager restrictions and gain access to files it would otherwise be unable to access, or possibly terminate the Java Virtual Machine (JVM). The HTTP blocking IO (BIO) connector, which is not vulnerable to this issue, is used by default in Red Hat Enterprise Linux 6. (CVE-2011-2526)

Red Hat would like to thank the Apache Tomcat project for reporting the CVE-2011-2526 issue.

This update also fixes the following bug :

* Previously, in certain cases, if 'LANG=fr_FR' or 'LANG=fr_FR.UTF-8' was set as an environment variable or in '/etc/sysconfig/tomcat6' on 64-bit PowerPC systems, Tomcat may have failed to start correctly.
With this update, Tomcat works as expected when LANG is set to 'fr_FR' or 'fr_FR.UTF-8'. (BZ#748807)

Users of Tomcat should upgrade to these updated packages, which contain backported patches to correct these issues. Tomcat must be restarted for this update to take effect.

The remote host is running a version of Mac OS X 10.7 that is older than version 10.7.3.  The newer version contains numerous security-related fixes for the following components :

  - Address Book
  - Apache
  - ATS
  - CFNetwork
 - CoreMedia
 - CoreText
 - CoreUI
 - curl
 - Data Security
 - dovecot
 - filecmds
 - ImageIO
 - Internet Sharing
 - Libinfo
 - libresolv
 - libsecurity
 - OpenGL
 - PHP
 - QuickTime
 - Subversion
 - Time Machine
 - WebDAV Sharing
 - Webmail
 - X11

According to its self-reported version number, the instance of Apache Tomcat 7.x listening on the remote host is prior to 7.0.17. It is, therefore, affected by the following vulnerabilities:

 - An error handling issue exists related to the MemoryUserDatabase that allows user passwords to be disclosed through log files. (CVE-2011-2204)

 - If loaded before other web applications, a malicious web application can potentially access or modify the web.xml, context.xml, and TLD files of other web applications on the system. (CVE-2011-2481)

 - An input validation error exists that allows a local attacker to either bypass security or carry out denial of service attacks when the APR or NIO connectors are enabled. (CVE-2011-2526)

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

According to its self-reported version number, the instance of Apache Tomcat 6.0.x listening on the remote host is prior to 6.0.33. It is, therefore, affected by multiple vulnerabilities:

- Several weaknesses were found in the HTTP Digest authentication implementation. The issues are as follows: replay attacks are possible, server nonces are not checked, client nonce counts are not checked, 'quality of protection' (qop) values are not checked, realm values are not checked and the server secret is a hard-coded, known string. The effect of these issues is that Digest authentication is no stronger than Basic authentication. (CVE-2011-1184, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064)

 - An error handling issue exists related to the MemoryUserDatabase that allows user passwords to be disclosed through log files. (CVE-2011-2204)

 - An input validation error exists that allows a local attacker to either bypass security or carry out denial of service attacks when the APR or NIO connectors are enabled. (CVE-2011-2526)

 - A component that Apache Tomcat relies on called 'jsvc' contains an error in that it does not drop capabilities after starting and can allow access to sensitive files owned by the super user. Note this vulnerability only affects Linux operating systems and only when the following are true: jsvc is compiled with libpcap and the '-user' parameter is used. (CVE-2011-2729)

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

Versions of Tomcat 6.x earlier than 6.0.33 are potentially affected by multiple vulnerabilities : 

  - An error handling issue exists related to the MemoryUserDatabase that allows user passwords to be disclosed through log files. (CVE-2011-2204)

  - An input validation error exists that allows a local attacker to either bypass security or carry out denial of service attacks when the APR or NIO connectors are enabled. (CVE-2011-2526)

  - A component that Apache Tomcat relies on called 'jsvc' contains an error in that it does not drop capabilities after starting and can allow access to sensitive files owned by the super user.  Note this vulnerability only affects Linux operating systems and only when the following are true:  jsvc is compiled with libpcap and the '-user' parameter is used. (CVE-2011-2729)

Versions of Tomcat 7.0.x earlier than 7.0.19 are potentially affected by multiple vulnerabilities : 

  - An issue exists in the error handling related to the MemoryUserDatabase that allows user passwords to be disclosed through log files. (CVE-2011-2204)

  - An input validation issue exists that allows a local attacker to either bypass security or carry out denial of service attacks when the APR or NIO connectors are enabled. (CVE-2011-2526)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
68399	Oracle Linux 6 : tomcat6 (ELSA-2011-1780)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	high
57812	Debian DSA-2401-1 : tomcat6 - several vulnerabilities	Nessus	Debian Local Security Checks	2012/2/3	2021/1/11	high
78925	RHEL 5 / 6 : tomcat6 (RHSA-2012:0682)	Nessus	Red Hat Local Security Checks	2014/11/8	2024/4/27	high
57374	CentOS 6 : tomcat6 (CESA-2011:1780)	Nessus	CentOS Local Security Checks	2011/12/23	2021/1/4	high
6303	Mac OS X 10.7 < 10.7.3 Multiple Vulnerabilities	Nessus Network Monitor	Generic	2012/2/6	2019/3/6	critical
5996	Apache Tomcat 7.0.x < 7.0.17 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	2011/8/1	2019/3/6	high
6018	Apache Tomcat 6.0.x < 6.0.33 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	2011/8/30	2019/3/6	medium
800602	Apache Tomcat 6.0.x < 6.0.33 Multiple Vulnerabilities	Log Correlation Engine	Web Servers	2011/8/30		medium
800597	Apache Tomcat 7.0.x < 7.0.19 Multiple Vulnerabilities	Log Correlation Engine	Web Servers	2011/8/1		medium

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