#VU60741 Code Injection in redis (Debian package) - CVE-2022-0543

Vulnerability identifier: #VU60741

Vulnerability risk: Medium

CVSSv4.0: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2022-0543

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
redis (Debian package)
Operating systems & Components / Operating system package or component

Vendor: Debian

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation, related to Linux Debian specific Lua sandbox escape. A remote attacker with ability to control data stored in the Redis database can inject and execute arbitrary code on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

redis (Debian package): 5:5.0.3-4+deb10u1 - 5.0.3-4+deb10u2

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External links
https://bugs.debian.org/1005787
https://www.debian.org/security/2022/dsa-5081
https://www.ubercomp.com/posts/2022-01-20_redis_on_debian_rce
https://lists.debian.org/debian-security-announce/2022/msg00048.html

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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?

Yes. This vulnerability is being exploited in the wild.