Input validation error in MariaDB

1) Input validation error

EUVDB-ID: #VU33768

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-3318

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged user to gain access to sensitive information.

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Error Handling). Supported versions that are affected are 5.5.53 and earlier, 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS v3.0 Base Score 4.0 (Confidentiality impacts).

Mitigation

Install update from vendor's website.

Vulnerable software versions

MariaDB: 5.5.20 - 5.5.53

CPE2.3

• cpe:2.3:a:mariadb_foundation:mariadb:5.5.20:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.21:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.22:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.23:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.24:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.25:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.27:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.28:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.28a:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:5.5.29:*:*:*:*:*:*:*

External links

https://www.debian.org/security/2017/dsa-3767
https://www.debian.org/security/2017/dsa-3770
https://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html
https://www.securityfocus.com/bid/95588
https://www.securitytracker.com/id/1037640
https://access.redhat.com/errata/RHSA-2017:2192
https://access.redhat.com/errata/RHSA-2017:2787
https://access.redhat.com/errata/RHSA-2017:2886
https://access.redhat.com/errata/RHSA-2018:0279
https://access.redhat.com/errata/RHSA-2018:0574
https://security.gentoo.org/glsa/201702-17
https://security.gentoo.org/glsa/201702-18

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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