Ubuntu update for redis

1) Code Injection

EUVDB-ID: #VU60741

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 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

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

Update the affected package redis to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 21.10

redis (Ubuntu package): before 5:5.0.7-2ubuntu0.1

redis-server (Ubuntu package): before 5:5.0.7-2ubuntu0.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:21.10:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:redis_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:redis-server_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5316-1

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.