#VU82200 Race condition in Redis - CVE-2023-45145

Vulnerability identifier: #VU82200

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-45145

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Redis Labs

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition between listen(2) and chmod(2) calls on startup. A local user can exploit the race and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Redis: 6.0.0 - 6.0.20, 6.2.0 - 6.2.13, 7.0.0 - 7.0.13, 7.2.0 - 7.2.1

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External links
https://github.com/redis/redis/releases/tag/7.2.2
https://github.com/redis/redis/releases/tag/7.0.14
https://github.com/redis/redis/releases/tag/6.2.14

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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