Input validation error in MariaDB
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-3063 |
| 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: #VU33739
Risk: Medium
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-3063
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Privileges). Supported versions that are affected are 5.5.60 and prior. Easily exploitable vulnerability allows high 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
MitigationInstall update from vendor's website.
Vulnerable software versionsMariaDB: 5.5.20 - 5.5.60
External linkshttp://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.securityfocus.com/bid/104786
http://www.securitytracker.com/id/1041294
http://access.redhat.com/errata/RHSA-2019:1258
http://access.redhat.com/errata/RHSA-2019:2327
http://lists.debian.org/debian-lts-announce/2018/08/msg00036.html
http://lists.debian.org/debian-lts-announce/2018/11/msg00004.html
http://security.netapp.com/advisory/ntap-20180726-0002/
http://usn.ubuntu.com/3725-1/
http://usn.ubuntu.com/3725-2/
http://www.debian.org/security/2018/dsa-4341
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged 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.
