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Adam works as a Professional Penetration Tester. A project has been assigned to him to test the vulnerabilities of the CISCO Router of Umbrella Inc. Adam finds out that HTTP Configuration Arbitrary Administrative Access Vulnerability exists in the router. By applying different password cracking tools, Adam gains access to the router. He analyzes the router config file and notices the following lines:

logging buffered errors logging history critical logging trap warnings logging 10.0.1.103

By analyzing the above lines, Adam concludes that this router is logging at log level 4 to the syslog server 10.0.1.103. He decides to change the log level from 4 to 0. Which of the following is the most likely reason of changing the log level?

A.
Changing the log level from 4 to 0 will result in the logging of only emergencies. This way the modification in the router is not sent to the syslog server.
Answers
A.
Changing the log level from 4 to 0 will result in the logging of only emergencies. This way the modification in the router is not sent to the syslog server.
B.
By changing the log level, Adam can easily perform a SQL injection attack.
Answers
B.
By changing the log level, Adam can easily perform a SQL injection attack.
C.
Changing the log level grants access to the router as an Administrator.
Answers
C.
Changing the log level grants access to the router as an Administrator.
D.
Changing the log level from 4 to 0 will result in the termination of logging. This way the modification in the router is not sent to the syslog server.
Answers
D.
Changing the log level from 4 to 0 will result in the termination of logging. This way the modification in the router is not sent to the syslog server.
Suggested answer: A

Explanation:

The Router Log Level directive is used by the sys log server to specify the level of severity of the log. This directive is used to control the types of errors that are sent to the error log by constraining the severity level. Eight different levels are present in the Log Level directive, which are shown below in order of their descending significance:

Number Level Description

0emergEmergencies - system is unusable

1alertAction must be taken immediately

2critCritical Conditions

3errorError conditions

4warnWarning conditions

5notice Normal but significant condition

6infoInformational

7debug Debug-level messages

Note: When a certain level is specified, the messages from all other levels of higher significance will also be reported. For example, when Log Level crit is specified, then messages with log levels of alert and emerg will also be reported.

asked 18/09/2024
amy ashton
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