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CVE-2021-32626

Description

Redis is an open source, in-memory database that persists on disk. In affected versions specially crafted Lua scripts executing in Redis can cause the heap-based Lua stack to be overflowed, due to incomplete checks for this condition. This can result with heap corruption and potentially remote code execution. This problem exists in all versions of Redis with Lua scripting support, starting from 2.6. The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14. For users unable to update an additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands.


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
netapp:management_services_for_element_software netapp management services for element software -
netapp:management_services_for_netapp_hci netapp management services for netapp hci -
debian:debian_linux debian debian linux 10.0
debian:debian_linux debian debian linux 11.0
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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