Описание
Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty before version 4.1.59.Final there is a vulnerability on Unix-like systems involving an insecure temp file. When netty's multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure. Of note, this does not impact modern MacOS Operating Systems. The method "File.createTempFile" on unix-like systems creates a random file, but, by default will create this file with the permissions "-rw-r--r--". Thus, if sensitive information is written to this file, other local users can read this information. This is the case in netty's "AbstractDiskHttpData" is vulnerable. This has been fixed in version 4.1.59.Final. As a workaround, one may specify your own "java.io.tmpdir" when you start the JVM or use "DefaultHttpDataFactory.setBaseDir(...)" to set the directory to something that is only readable by the current user.
In Netty there is a vulnerability on Unix-like systems involving an insecure temp file. When netty's multipart decoders are used, a local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat JBoss A-MQ 6 | netty | Out of support scope | ||
| Red Hat JBoss Data Grid 7 | netty | Out of support scope | ||
| Red Hat JBoss Enterprise Application Platform 5 | netty | Out of support scope | ||
| Red Hat JBoss Enterprise Application Platform 6 | netty | Out of support scope | ||
| Red Hat JBoss Fuse 6 | netty | Out of support scope | ||
| Red Hat JBoss Operations Network 3 | netty | Out of support scope | ||
| Red Hat OpenShift Application Runtimes | netty | Will not fix | ||
| Red Hat OpenShift Container Platform 3.11 | openshift3/ose-logging-elasticsearch5 | Will not fix | ||
| Red Hat OpenShift Container Platform 4 | openshift4/ose-logging-elasticsearch5 | Out of support scope | ||
| Red Hat OpenShift Container Platform 4 | openshift4/ose-logging-elasticsearch6 | Out of support scope |
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Дополнительная информация
Статус:
EPSS
6.2 Medium
CVSS3
Связанные уязвимости
Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty before version 4.1.59.Final there is a vulnerability on Unix-like systems involving an insecure temp file. When netty's multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure. Of note, this does not impact modern MacOS Operating Systems. The method "File.createTempFile" on unix-like systems creates a random file, but, by default will create this file with the permissions "-rw-r--r--". Thus, if sensitive information is written to this file, other local users can read this information. This is the case...
Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty before version 4.1.59.Final there is a vulnerability on Unix-like systems involving an insecure temp file. When netty's multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure. Of note, this does not impact modern MacOS Operating Systems. The method "File.createTempFile" on unix-like systems creates a random file, but, by default will create this file with the permissions "-rw-r--r--". Thus, if sensitive information is written to this file, other local users can read this information. This is the case in
Netty is an open-source, asynchronous event-driven network application ...
Local Information Disclosure Vulnerability in Netty on Unix-Like systems
Уязвимость сетевого программного средства Netty, связанная с созданием временных файлов с небезопасными разрешениями, позволяющая нарушителю получить доступ к конфиденциальным данным
EPSS
6.2 Medium
CVSS3