Vulnerability identifier: #VU88969

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25834

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
xtrabackup
Other software / Other software solutions

Vendor: Percona LLC

Description

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

The vulnerability exists due to improper input validation when handling filenames. A local user can pass a specially crafted file to the application and execute arbitrary commands on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

xtrabackup: 8.0.4 - 8.0.32-25, 2.0.0 - 2.4.27

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External links
http://docs.percona.com/percona-xtrabackup/8.0/release-notes/8.0/8.0.32-26.0.html#improvements
http://www.percona.com/doc/percona-xtrabackup/2.4/index.html

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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.