#VU71192 Integer overflow in Redis - CVE-2022-35977

Vulnerability identifier: #VU71192

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-35977

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redis
Server applications / Database software

Vendor: Redis Labs

Description

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

The vulnerability exists due to integer overflow in SETRANGE and SORT/SORT_RO commands. A remote attacker can pass specially crafted input to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Redis: 6.0.0 - 6.0.16, 6.2.0 - 6.2.8, 7.0.0 - 7.0.7

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External links
https://github.com/redis/redis/releases/tag/6.2.9
https://github.com/redis/redis/releases/tag/7.0.8
https://github.com/redis/redis/releases/tag/6.0.17
https://github.com/redis/redis/security/advisories/GHSA-mrcw-fhw9-fj8j

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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.