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- Time_of_check_to_time_of_use abstract "In software development, time of check to time of use (TOCTTOU or TOCTOU, pronounced "TOCK too") is a class of software bug caused by changes in a system between the checking of a condition (such as a security credential) and the use of the results of that check. This is one example of a race condition.A simple example is as follows: Consider a Web application that allows a user to edit pages, and also allows administrators to lock pages to prevent editing. A user requests to edit a page, getting a form which can be used to alter its content. Before the user submits the form, an administrator locks the page, which should prevent editing. However, since editing has already begun, when the user submits the form, those edits (which have already been made) are accepted. When the user began editing, the appropriate authorization was checked, and the user was indeed allowed to edit. However, the authorization was used later, at a time when edits should no longer have been allowed.TOCTTOU race conditions are most common in Unix between operations on the file system, but can occur in other contexts, including local sockets and improper use of database transactions. In the early 90's, the mail utility of BSD 4.3 UNIX had an exploitable race condition for temporary file because it used the mktemp C library function.Early versions of OpenSSH had an exploitable race condition for Unix domain sockets.".
- Time_of_check_to_time_of_use wikiPageID "2665251".
- Time_of_check_to_time_of_use wikiPageRevisionID "591198701".
- Time_of_check_to_time_of_use hasPhotoCollection Time_of_check_to_time_of_use.
- Time_of_check_to_time_of_use subject Category:Computer_security_exploits.
- Time_of_check_to_time_of_use type Abstraction100002137.
- Time_of_check_to_time_of_use type Accomplishment100035189.
- Time_of_check_to_time_of_use type Act100030358.
- Time_of_check_to_time_of_use type Action100037396.
- Time_of_check_to_time_of_use type ComputerSecurityExploits.
- Time_of_check_to_time_of_use type Event100029378.
- Time_of_check_to_time_of_use type Feat100036762.
- Time_of_check_to_time_of_use type PsychologicalFeature100023100.
- Time_of_check_to_time_of_use type YagoPermanentlyLocatedEntity.
- Time_of_check_to_time_of_use comment "In software development, time of check to time of use (TOCTTOU or TOCTOU, pronounced "TOCK too") is a class of software bug caused by changes in a system between the checking of a condition (such as a security credential) and the use of the results of that check. This is one example of a race condition.A simple example is as follows: Consider a Web application that allows a user to edit pages, and also allows administrators to lock pages to prevent editing.".
- Time_of_check_to_time_of_use label "Time of check to time of use".
- Time_of_check_to_time_of_use label "Time-of-Check-to-Time-of-Use-Problem".
- Time_of_check_to_time_of_use sameAs Time-of-Check-to-Time-of-Use-Problem.
- Time_of_check_to_time_of_use sameAs m.07wdv6.
- Time_of_check_to_time_of_use sameAs Q1675168.
- Time_of_check_to_time_of_use sameAs Q1675168.
- Time_of_check_to_time_of_use sameAs Time_of_check_to_time_of_use.
- Time_of_check_to_time_of_use wasDerivedFrom Time_of_check_to_time_of_use?oldid=591198701.
- Time_of_check_to_time_of_use isPrimaryTopicOf Time_of_check_to_time_of_use.