Input validation error in MariaDB - CVE-2017-3243
Published: January 28, 2017 / Updated: August 4, 2020
Vulnerability identifier: #VU33790
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-3243
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MariaDB Foundation
Affected software:
MariaDB
MariaDB
Detailed vulnerability description
The 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: Charsets). Supported versions that are affected are 5.5.53 and earlier. Difficult to exploit 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 v3.0 Base Score 4.4 (Availability impacts).
How to mitigate CVE-2017-3243
Install update from vendor's website.
Sources
- http://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/95538
- http://www.securitytracker.com/id/1037640
- https://access.redhat.com/errata/RHSA-2017:2192
- 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