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CVE-2021-32687

Description

Redis is an open source, in-memory database that persists on disk. An integer overflow bug affecting all versions of Redis can be exploited to corrupt the heap and potentially be used to leak arbitrary contents of the heap or trigger remote code execution. The vulnerability involves changing the default set-max-intset-entries configuration parameter to a very large value and constructing specially crafted commands to manipulate sets. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the set-max-intset-entries configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.


Affected Software


CPE Name Name Version
redis:redis redis 6.2.6
redis:redis redis 6.0.16
redis:redis redis 5.0.14
fedoraproject:fedora fedoraproject fedora 33
fedoraproject:fedora fedoraproject fedora 34
fedoraproject:fedora fedoraproject fedora 35
debian:debian_linux debian debian linux 10.0
debian:debian_linux debian debian linux 11.0
netapp:management_services_for_element_software netapp management services for element software -
netapp:management_services_for_netapp_hci netapp management services for netapp hci -
oracle:communications_operations_monitor oracle communications operations monitor 4.3
oracle:communications_operations_monitor oracle communications operations monitor 4.4
oracle:communications_operations_monitor oracle communications operations monitor 5.0

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