Ubuntu update for mariadb-10.1

Published: 2020-10-27 | Updated: 2025-04-23

Risk	High
Patch available	YES
Number of vulnerabilities	6
CVE-ID	CVE-2020-13249 CVE-2020-15180 CVE-2020-2752 CVE-2020-2760 CVE-2020-2812 CVE-2020-2814
CWE-ID	CWE-119 CWE-78 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system mariadb-server (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU29426

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-13249

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of the content of an OK packet received from a server within the libmariadb/mariadb_lib.c file in MariaDB Connector/C. A remote attacker can trick the victim to connect to a malicious MariaDB server and trigger memory corruption.

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

Mitigation

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

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.

2) OS Command Injection

EUVDB-ID: #VU49122

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-15180

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

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.

3) Improper input validation

EUVDB-ID: #VU26916

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2752

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

4) Improper input validation

EUVDB-ID: #VU26915

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2760

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

5) Improper input validation

EUVDB-ID: #VU26942

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2812

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Server: Stored Procedure component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

6) Improper input validation

EUVDB-ID: #VU26920

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2814

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mariadb-10.1 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

mariadb-server (Ubuntu package): before 1:10.1.47-0ubuntu0.18.04.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4603-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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