Certified Ethical Hacker 312-50v10 – Question021

Insecure direct object reference is a type of vulnerability where the application does not verify if the user is authorized to access the internal object via its name or key.
Suppose a malicious user Rob tries to get access to the account of a benign user Ned.
Which of the following requests best illustrates an attempt to exploit an insecure direct object reference vulnerability?


A.
GET/restricted/goldtransfer?to=Rob&from=1 or 1=1 HTTP/1.1Host: westbank.com
B. GET/restricted/accounts/?name=Ned HTTP/1.1 Host: westbank.com
C. GET/restricted/bank.getaccount(Ned) HTTP/1.1 Host: westbank.com
D. GET/restricted/rn%00account%00Ned%00access HTTP/1.1 Host: westbank.com

Correct Answer: B

Certified Ethical Hacker 312-50v10 – Question020

A company's Web development team has become aware of a certain type of security vulnerability in their Web software. To mitigate the possibility of this vulnerability being exploited, the team wants to modify the software requirements to disallow users from entering HTML as input into their Web application.

What kind of Web application vulnerability likely exists in their software?


A.
Cross-site scripting vulnerability
B. Web site defacement vulnerability
C. SQL injection vulnerability
D. Cross-site Request Forgery vulnerability

Correct Answer: A

Certified Ethical Hacker 312-50v10 – Question019

When conducting a penetration test, it is crucial to use all means to get all available information about the target network. One of the ways to do that is by sniffing the network. Which of the following cannot be performed by the passive network sniffing?


A.
Identifying operating systems, services, protocols and devices
B. Modifying and replaying captured network traffic
C. Collecting unencrypted information about usernames and passwords
D. Capturing a network traffic for further analysis

Correct Answer: B

Certified Ethical Hacker 312-50v10 – Question018

The security administrator of ABC needs to permit Internet traffic in the host 10.0.0.2 and UDP traffic in the host 10.0.0.3. He also needs to permit all FTP traffic to the rest of the network and deny all other traffic. After he applied his ACL configuration in the router, nobody can access to the ftp, and the permitted hosts cannot access the Internet. According to the next configuration, what is happening in the network?


A.
The ACL 104 needs to be first because is UDP
B. The ACL 110 needs to be changed to port 80
C. The ACL for FTP must be before the ACL 110
D. The first ACL is denying all TCP traffic and the other ACLs are being ignored by the router

Correct Answer: D

Certified Ethical Hacker 312-50v10 – Question017

You need to deploy a new web-based software package for your organization. The package requires three separate servers and needs to be available on the Internet. What is the recommended architecture in terms of server placement?


A.
All three servers need to be placed internally
B. A web server facing the Internet, an application server on the internal network, a database server on the internal network
C. A web server and the database server facing the Internet, an application server on the internal network
D. All three servers need to face the Internet so that they can communicate between themselves

Correct Answer: B

Certified Ethical Hacker 312-50v10 – Question016

What is the purpose of a demilitarized zone on a network?


A.
To scan all traffic coming through the DMZ to the internal network
B. To only provide direct access to the nodes within the DMZ and protect the network behind it
C. To provide a place to put the honeypot
D. To contain the network devices you wish to protect

Correct Answer: B

Certified Ethical Hacker 312-50v10 – Question015

You have successfully gained access to a Linux server and would like to ensure that the succeeding outgoing traffic from this server will not be caught by Network-Based Intrusion
Detection Systems (NIDS).

What is the best way to evade the NIDS?


A.
Out of band signaling
B. Protocol Isolation
C. Encryption
D. Alternate Data Streams

Correct Answer: C