The Instructure Canvas breach affects universities, K–12 school districts, and teaching hospitals globally. This blog entry intends to provide context and practical guidance.
A vulnerability described as critical has been identified in Ruby up to 2.2.9/2.3.6/2.4.3/2.5.0. Affected by this issue is the function UNIXServer.open/UNIXSocket.open. Executing a manipulation as part of Null Character can lead to improper input validation.
This vulnerability is handled as CVE-2018-8779. The attack can be executed remotely. There is not any exploit available.
Upgrading the affected component is recommended.
A vulnerability marked as critical has been reported in Ruby up to 2.2.9/2.3.6/2.4.3/2.5.0. Affected by this vulnerability is the function String#unpack. Performing a manipulation results in information disclosure.
This vulnerability is known as CVE-2018-8778. Remote exploitation of the attack is possible. No exploit is available.
It is suggested to upgrade the affected component.
A vulnerability marked as critical has been reported in Apple macOS up to 10.14.0. This impacts an unknown function of the component Ruby. Performing a manipulation results in format string.
This vulnerability was named CVE-2018-8778. The attack may be initiated remotely. There is no available exploit.
It is suggested to upgrade the affected component.
A vulnerability labeled as problematic has been found in Ruby up to 2.2.9/2.3.6/2.4.3/2.5.0. Affected is an unknown function of the component WEBrick Server. Such manipulation as part of HTTP Request leads to improper resource management.
This vulnerability is traded as CVE-2018-8777. The attack may be launched remotely. There is no exploit available.
The affected component should be upgraded.
A vulnerability labeled as critical has been found in Apple macOS up to 10.14.0. This affects an unknown function of the component Ruby. Such manipulation leads to resource consumption.
This vulnerability is uniquely identified as CVE-2018-8777. The attack can be launched remotely. No exploit exists.
The affected component should be upgraded.
A vulnerability categorized as critical has been discovered in Ruby up to 2.2.9/2.3.6/2.4.3/2.5.0. This affects the function Dirmktmpdir. The manipulation of the argument prefix with the input .. results in path traversal.
This vulnerability is reported as CVE-2018-6914. The attack can be launched remotely. No exploit exists.
It is advisable to upgrade the affected component.
A vulnerability identified as critical has been detected in Apple macOS up to 10.14.0. The impacted element is an unknown function of the component Ruby. This manipulation causes path traversal.
This vulnerability is handled as CVE-2018-6914. The attack can be initiated remotely. There is not any exploit available.
You should upgrade the affected component.
A vulnerability categorized as critical has been discovered in Apple macOS up to 10.14.0. The affected element is an unknown function of the component Ruby. The manipulation results in http response splitting.
This vulnerability is known as CVE-2017-17742. It is possible to launch the attack remotely. No exploit is available.
It is advisable to upgrade the affected component.
A vulnerability labeled as critical has been found in Ruby up to 2.2.9/2.3.6/2.4.3/2.5.0. This issue affects some unknown processing of the component HTTP Server. Executing a manipulation as part of HTTP Response can lead to http response splitting (Split).
This vulnerability is handled as CVE-2017-17742. The attack can be executed remotely. There is not any exploit available.
The affected component should be upgraded.
A vulnerability was found in Ruby up to 2.4.7/2.5.6/2.6.4. It has been declared as critical. Impacted is an unknown function in the library lib/shell.rb. Executing a manipulation as part of Argument can lead to injection.
The identification of this vulnerability is CVE-2019-16255. The attack may be launched remotely. There is no exploit available.
A vulnerability was found in Ruby up to 2.4.7/2.5.6/2.6.4. It has been classified as critical. This issue affects some unknown processing of the component Incomplete Fix. Performing a manipulation as part of HTTP Response results in injection.
This vulnerability was named CVE-2019-16254. The attack may be initiated remotely. There is no available exploit.
A vulnerability marked as critical has been reported in Apple iOS and iPadOS up to 15.4.1. Impacted is an unknown function of the component AppleAVD. This manipulation causes use after free.
The identification of this vulnerability is CVE-2022-26702. The attack can only be executed locally. There is no exploit available.
It is suggested to upgrade the affected component.