Vulnerability identifier: #VU62692

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24736

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Salvatore Sanfilippo

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can use a specially crafted Lua script and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Redis: 6.2.0 - 7.0 rc3

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External links
http://github.com/redis/redis/pull/10651
http://github.com/redis/redis/security/advisories/GHSA-3qpw-7686-5984
http://github.com/redis/redis/releases/tag/7.0.0
http://github.com/redis/redis/releases/tag/6.2.7

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.