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Shellshock, also known as Bashdoor, [1] is a family of security bugs [2] in the Unix Bash shell, the first of which was disclosed on 24 September 2014.Shellshock could enable an attacker to cause Bash to execute arbitrary commands and gain unauthorized access [3] to many Internet-facing services, such as web servers, that use Bash to process requests.
Unix /etc/passwd is a common file used to demonstrate directory traversal, as it is often used by crackers to try cracking the passwords. However, in more recent Unix systems, the /etc/passwd file does not contain the hashed passwords, and they are instead located in the /etc/shadow file
It is possible to use the WDTLER.EXE utility directly with the -r# -w# parameters for a custom timeout. Western Digital claims that using the WDTLER.EXE utility on newer drives can damage the firmware and make the disk unusable. The utility is no longer available from Western Digital, and new drives will not be able to have the TLER setting ...
The web server will not be able to identify the forgery because the request was made by a user that was logged in, and submitted all the requisite cookies. Cross-site request forgery is an example of a confused deputy attack against a web browser because the web browser is tricked into submitting a forged request by a less privileged attacker.
SMTP became widely used in the early 1980s. At the time, it was a complement to the Unix to Unix Copy Program (UUCP), which was better suited for handling email transfers between machines that were intermittently connected. SMTP, on the other hand, works best when both the sending and receiving machines are connected to the network all the time.
The above example does not check who called it (e.g. by referrer, although that could be spoofed). Also, it does not check the URL provided. This means that a malicious person could link to the redirection page using a URL parameter of his/her own selection, from any page, which uses the web server's resources.
Another example for the potential runtime-settings vulnerability comes from failing to disable PHP execution (for example by using the engine configuration directive) [321] for the directory where uploaded files are stored; enabling it can result in the execution of malicious code embedded within the uploaded files.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.