#VU33568 Improper Privilege Management - CVE-2017-3257

Vulnerability identifier: #VU33568

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-3257

CWE-ID: CWE-269

Exploitation vector: Network

Exploit availability: No

Description

The 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: InnoDB). Supported versions that are affected are 5.6.34 and earlier5.7.16 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).

Mitigation
Install update from vendor's website.

External links
https://www.debian.org/security/2017/dsa-3770
https://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html
https://www.securityfocus.com/bid/95589
https://www.securitytracker.com/id/1037640
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

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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.