Vulnerabilities > CVE-2007-5665 - Permissions, Privileges, and Access Controls vulnerability in Novell Zenworks Endpoint Security Management 3.5
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
COMPLETE Integrity impact
COMPLETE Availability impact
COMPLETE Summary
STEngine.exe 3.5.0.20 in Novell ZENworks Endpoint Security Management (ESM) 3.5, and other ESM versions before 3.5.0.82, dynamically creates scripts in a world-writable directory when generating diagnostic reports, which allows local users to gain privileges, as demonstrated by creating a cmd.exe binary in the diagnostic report directory.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 2 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Accessing, Modifying or Executing Executable Files An attack of this type exploits a system's configuration that allows an attacker to either directly access an executable file, for example through shell access; or in a possible worst case allows an attacker to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
- Leverage Executable Code in Non-Executable Files An attack of this type exploits a system's trust in configuration and resource files, when the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high. The attack can be directed at a client system, such as causing buffer overrun through loading seemingly benign image files, as in Microsoft Security Bulletin MS04-028 where specially crafted JPEG files could cause a buffer overrun once loaded into the browser. Another example targets clients reading pdf files. In this case the attacker simply appends javascript to the end of a legitimate url for a pdf (http://www.gnucitizen.org/blog/danger-danger-danger/) http://path/to/pdf/file.pdf#whatever_name_you_want=javascript:your_code_here The client assumes that they are reading a pdf, but the attacker has modified the resource and loaded executable javascript into the client's browser process. The attack can also target server processes. The attacker edits the resource or configuration file, for example a web.xml file used to configure security permissions for a J2EE app server, adding role name "public" grants all users with the public role the ability to use the administration functionality. The server trusts its configuration file to be correct, but when they are manipulated, the attacker gains full control.
- Blue Boxing This type of attack against older telephone switches and trunks has been around for decades. A tone is sent by an adversary to impersonate a supervisor signal which has the effect of rerouting or usurping command of the line. While the US infrastructure proper may not contain widespread vulnerabilities to this type of attack, many companies are connected globally through call centers and business process outsourcing. These international systems may be operated in countries which have not upgraded Telco infrastructure and so are vulnerable to Blue boxing. Blue boxing is a result of failure on the part of the system to enforce strong authorization for administrative functions. While the infrastructure is different than standard current applications like web applications, there are historical lessons to be learned to upgrade the access control for administrative functions.
- Restful Privilege Elevation Rest uses standard HTTP (Get, Put, Delete) style permissions methods, but these are not necessarily correlated generally with back end programs. Strict interpretation of HTTP get methods means that these HTTP Get services should not be used to delete information on the server, but there is no access control mechanism to back up this logic. This means that unless the services are properly ACL'd and the application's service implementation are following these guidelines then an HTTP request can easily execute a delete or update on the server side. The attacker identifies a HTTP Get URL such as http://victimsite/updateOrder, which calls out to a program to update orders on a database or other resource. The URL is not idempotent so the request can be submitted multiple times by the attacker, additionally, the attacker may be able to exploit the URL published as a Get method that actually performs updates (instead of merely retrieving data). This may result in malicious or inadvertent altering of data on the server.
- Target Programs with Elevated Privileges This attack targets programs running with elevated privileges. The attacker would try to leverage a bug in the running program and get arbitrary code to execute with elevated privileges. For instance an attacker would look for programs that write to the system directories or registry keys (such as HKLM, which stores a number of critical Windows environment variables). These programs are typically running with elevated privileges and have usually not been designed with security in mind. Such programs are excellent exploit targets because they yield lots of power when they break. The malicious user try to execute its code at the same level as a privileged system call.
Nessus
| NASL family | Windows |
| NASL id | ZESM_STENGINE_PRIV_ESCALATION.NASL |
| description | Novell ZENworks Endpoint Security Management (ESM) Security Client is installed on the remote host. It provides a centrally-managed, policy-based firewall for enterprise computers. The version of this software on the remote host dynamically generates various scripts which are then executed by the application in a directory to which local users have write access and also will run them using the file |
| last seen | 2020-06-01 |
| modified | 2020-06-02 |
| plugin id | 29896 |
| published | 2008-01-09 |
| reporter | This script is Copyright (C) 2008-2018 Tenable Network Security, Inc. |
| source | https://www.tenable.com/plugins/nessus/29896 |
| title | Novell ZENworks ESM Security Client STEngine Privilege Escalation |
| code | |
Seebug
| bulletinFamily | exploit |
| description | BUGTRAQ ID: 27146 CVE(CAN) ID: CVE-2007-5665 Novell ZENworks Endpoint Security Management（ESM）的安全客户端允许集中管理防火墙保护策略。 ESM在处理命令的执行时存在漏洞，本地攻击者可能利用此漏洞提升自己的权限。 当在工作站上安装ZENworks ESM的安全客户端时，就会将STEngine服务设置为在本地SYSTEM帐号下运行。以下可执行程序中实现这个服务： 文件名：STEngine.exe（1,847,296字节） 版本：3.5.0.20 MD5：B5402A1EC8D04130304EBA89AF843916 该服务允许用户生成诊断报告以协助排除产品故障。在生成报告期间，STEngine试图通过生成命令shell来执行各种脚本收集系统信息，这些脚本的所在目录是所有用户都可写的；STEngine还会试图锁定该目录中的命令shell，如果找到的话就会执行该shell。如果恶意的本地用户在这个目录中放置了名为cmd.exe的二进制程序的话，STEngine就会以SYSTEM级权限执行。 Novell ZENworks ESM 3.5.0.20 Novell ------ 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： <a href=http://download.novell.com/Download?buildid=5Y6xbs-OKLE~ target=_blank>http://download.novell.com/Download?buildid=5Y6xbs-OKLE~</a> |
| id | SSV:2780 |
| last seen | 2017-11-19 |
| modified | 2008-01-08 |
| published | 2008-01-08 |
| reporter | Root |
| title | Novell ZENworks ESM客户端STEngine.exe本地权限提升漏洞 |