Integer overflow in Redis

1) Integer overflow

EUVDB-ID: #VU67640

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35951

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when executing a XAUTOCLAIM command on a stream key in a specific state. A local user can use a specially-crafted COUNT argument, trigger integer overflow and execute arbitrary code on the target 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: 7.0 rc1 - 7.0.4

External links

http://github.com/redis/redis/security/advisories/GHSA-5gc4-76rx-22c9
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7INCOOFPPEAKNDBZU3TIZJPYXBULI2C/

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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