Anolis OS update for mariadb-connector-c



| Updated: 2025-03-28
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2020-13249
CVE-2020-2574
CVE-2020-2752
CVE-2020-2922
CVE-2021-2007
CWE-ID CWE-119
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

mariadb-connector-c-config
Operating systems & Components / Operating system package or component

mariadb-connector-c-devel
Operating systems & Components / Operating system package or component

mariadb-connector-c
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 5 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

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

mariadb-connector-c-config: before 3.1.11-2

mariadb-connector-c-devel: before 3.1.11-2

mariadb-connector-c: before 3.1.11-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0122


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) Improper input validation

EUVDB-ID: #VU25710

Risk: Medium

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

CVE-ID: CVE-2020-2574

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker 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 non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

mariadb-connector-c-config: before 3.1.11-2

mariadb-connector-c-devel: before 3.1.11-2

mariadb-connector-c: before 3.1.11-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0122


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

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

mariadb-connector-c-config: before 3.1.11-2

mariadb-connector-c-devel: before 3.1.11-2

mariadb-connector-c: before 3.1.11-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0122


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: #VU26947

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2922

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

mariadb-connector-c-config: before 3.1.11-2

mariadb-connector-c-devel: before 3.1.11-2

mariadb-connector-c: before 3.1.11-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0122


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.

5) Improper input validation

EUVDB-ID: #VU49837

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-2007

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

mariadb-connector-c-config: before 3.1.11-2

mariadb-connector-c-devel: before 3.1.11-2

mariadb-connector-c: before 3.1.11-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0122


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.



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