SB2021061844 - Anolis OS update for mariadb-connector-c
Published: June 18, 2021 Updated: March 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-13249)
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.
2) Improper input validation (CVE-ID: CVE-2020-2574)
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.
3) Improper input validation (CVE-ID: CVE-2020-2752)
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.
4) Improper input validation (CVE-ID: CVE-2020-2922)
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.
5) Improper input validation (CVE-ID: CVE-2021-2007)
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.
Remediation
Install update from vendor's website.