Red Hat Enterprise Linux TUS 8.2 update for mariadb-connector-c
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2020-2574 CVE-2020-2752 CVE-2020-2922 CVE-2020-13249 |
| CWE-ID | CWE-20 CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system mariadb-connector-c (Red Hat package) Operating systems & Components / Operating system package or component |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) 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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.2
mariadb-connector-c (Red Hat package): before 3.1.11-2.el8_2
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.2:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:mariadb-connector-c_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2020:5655
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: #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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.2
mariadb-connector-c (Red Hat package): before 3.1.11-2.el8_2
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.2:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:mariadb-connector-c_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2020:5655
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.
3) 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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.2
mariadb-connector-c (Red Hat package): before 3.1.11-2.el8_2
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.2:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:mariadb-connector-c_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2020:5655
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.
4) 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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.2
mariadb-connector-c (Red Hat package): before 3.1.11-2.el8_2
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.2:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:mariadb-connector-c_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2020:5655
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.
