CVE-2022-24736

Redis is an in-memory database that persists on disk. Prior to versions 6.2.7 and 7.0.0, an attacker attempting to load a specially crafted Lua script can cause NULL pointer dereference which will result with a crash of the redis-server process. The problem is fixed in Redis versions 7.0.0 and 6.2.7. An additional workaround to mitigate this problem without patching the redis-server executable, if Lua scripting is not being used, is to block access to SCRIPT LOAD and EVAL commands using ACL rules.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name	Vendor	Start Version	End Version
Redis	Redis	*	6.2.7 (excluding)
Redis	Redis	7.0-rc1 (including)	7.0-rc1 (including)
Redis	Redis	7.0-rc2 (including)	7.0-rc2 (including)
Redis	Redis	7.0-rc3 (including)	7.0-rc3 (including)
Red Hat Enterprise Linux 8	RedHat	redis:6-8070020220509142426.3b9f49c4	*
Red Hat Enterprise Linux 9	RedHat	redis-0:6.2.7-1.el9	*
Redis	Ubuntu	bionic	*
Redis	Ubuntu	esm-apps/bionic	*
Redis	Ubuntu	esm-apps/focal	*
Redis	Ubuntu	esm-apps/jammy	*
Redis	Ubuntu	esm-apps/xenial	*
Redis	Ubuntu	esm-infra-legacy/trusty	*
Redis	Ubuntu	focal	*
Redis	Ubuntu	impish	*
Redis	Ubuntu	jammy	*
Redis	Ubuntu	kinetic	*
Redis	Ubuntu	lunar	*
Redis	Ubuntu	trusty/esm	*
Redis	Ubuntu	upstream	*

NVD	https://nvd.nist.gov/vuln/detail/CVE-2022-24736
CWE	https://cwe.mitre.org/data/definitions/476.html

NULL Pointer Dereference

Weakness

Affected Software

Potential Mitigations

References