Vulnerability identifier: #VU49122

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15180

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MariaDB
Server applications / Database software

Vendor: MariaDB Foundation

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the wsrep_sst_method method in the mysql-wsrep component of mariadb. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on galera cluster node.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.5.0 - 10.5.5, 10.4.0 - 10.4.14, 10.3.0 - 10.3.24, 10.2.0 - 10.2.33, 10.1.0 - 10.1.46

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=1894919

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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.