SB2020122306 - Red Hat Enterprise Linux TUS 8.0 update for the mariadb:10.3 module
Published: December 23, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 14 secuirty vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2019-2938)
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.
2) Improper input validation (CVE-ID: CVE-2019-2974)
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 Server: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
3) 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.
4) 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.
5) Improper input validation (CVE-ID: CVE-2020-2760)
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.
6) Improper input validation (CVE-ID: CVE-2020-2780)
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 Server: DML component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
7) Improper input validation (CVE-ID: CVE-2020-2812)
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.
8) Improper input validation (CVE-ID: CVE-2020-2814)
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.
9) 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.
10) Improper input validation (CVE-ID: CVE-2020-14765)
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 Server: FTS component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
11) Improper input validation (CVE-ID: CVE-2020-14776)
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.
12) Improper input validation (CVE-ID: CVE-2020-14789)
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: FTS component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
13) Improper input validation (CVE-ID: CVE-2020-14812)
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: Locking component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
14) OS Command Injection (CVE-ID: CVE-2020-15180)
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.
Remediation
Install update from vendor's website.