On Unix systems, a convenient way of packaging a collection of files is a Shell

Question

On Unix systems, a convenient way of packaging a collection of files is a Shell Archive, or shar file. A sar file is a shell script that will unpack itself into the appropriate files and directories. Har files are created by the shar command. The implementation of the shar command in a legacy version of the HP-UX operating system created a temporary file with an easily predictable filename in directory /tmp. This temporary file is an intermediate file that is created by shar for storing temporary contents during its execution. Also, if a file with this name already exists, then shar opens the file and overwrites it with temporary contents. If directory /tmp allows anyone to write to it, a vulnerability exists. An attacker can exploit such a vulnerability to overwrite a victim

Explanation / Answer

1.    Introduction of Computer and Network Security

The method of protecting your computer or your network from unauthorized users and spam by using different types of software or hardware is known as computer security. The violation of computer and network security occurs due to unauthorized access by any party. Computer security is vital for every organization to avoid hostile software or intruders damages. Many forms of damages can take place due to lack of security. Let

Related Questions

Navigate

• Browse (All)
• Browse O
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.