Input validation error in MariaDB
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-3238 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
MariaDB Server applications / Database software |
| Vendor | MariaDB Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU33789
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-3238
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.
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.53 and earlier, 5.6.34 and earlier and 5.7.16 and earlier. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS v3.0 Base Score 6.5 (Availability impacts).
MitigationInstall update from vendor's website.
Vulnerable software versionsMariaDB: 5.5.20 - 5.5.53
External linkshttp://www.debian.org/security/2017/dsa-3767
http://www.debian.org/security/2017/dsa-3770
http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html
http://www.securityfocus.com/bid/95571
http://www.securitytracker.com/id/1037640
http://access.redhat.com/errata/RHSA-2017:2192
http://access.redhat.com/errata/RHSA-2017:2787
http://access.redhat.com/errata/RHSA-2017:2886
http://access.redhat.com/errata/RHSA-2018:0279
http://access.redhat.com/errata/RHSA-2018:0574
http://security.gentoo.org/glsa/201702-17
http://security.gentoo.org/glsa/201702-18
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
