CVE-2022-24736 — NULL Pointer Dereference in Redis

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
CNA3.3
EPSS
0.9%
top 23.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
RedisFedoraproject FedoraOracle Communications Operations Monitor
Timeline
PublishedApr 27

Description

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 …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶CVEListV5redis/redis< 7.0.0+1
▶NVDredis/redis< 6.2.7+1
▶Debianredis/redis< 5:7.0.1-4+2

Also affects: Fedora 34, 35, 36

Patches

Patch: github.com ↗Patch: www.oracle.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2022-24736: Redis is an in-memory database that persists on disk↗2022-04-27
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CVEList
A Malformed Lua script can crash Redis↗2022-04-27
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📋Vendor Advisories

3
Red Hat
redis: Malformed Lua script can crash Redis↗2022-04-27
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Microsoft
A Malformed Lua script can crash Redis↗2022-04-12
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Debian
CVE-2022-24736: redis - Redis is an in-memory database that persists on disk. Prior to versions 6.2.7 an...↗2022
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CVE-2022-24736 — NULL Pointer Dereference in Redis | cvebase