CVE Vulnerabilities

CVE-2017-3305

Cleartext Transmission of Sensitive Information

Published: Apr 24, 2017 | Modified: Apr 20, 2025
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
6.3 MEDIUM
AV:N/AC:M/Au:S/C:C/I:N/A:N
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Ubuntu
MEDIUM

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: C API). Supported versions that are affected are 5.5.55 and earlier and 5.6.35 and earlier. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N). NOTE: the previous information is from the April 2017 CPU. Oracle has not commented on third-party claims that this issue allows man-in-the-middle attackers to hijack the authentication of users by leveraging incorrect ordering of security parameter verification in a client, aka, The Riddle.

Weakness

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Affected Software

Name Vendor Start Version End Version
Mysql Oracle 5.5.0 (including) 5.5.55 (including)
Mysql Oracle 5.6.0 (including) 5.6.35 (including)
Red Hat Software Collections for Red Hat Enterprise Linux 6 RedHat rh-mysql56-mysql-0:5.6.37-5.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS RedHat rh-mysql56-mysql-0:5.6.37-5.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-mysql56-mysql-0:5.6.37-5.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS RedHat rh-mysql56-mysql-0:5.6.37-5.el7 *
Mariadb-10.0 Ubuntu yakkety *
Mariadb-10.1 Ubuntu artful *
Mariadb-10.1 Ubuntu zesty *
Mysql-5.5 Ubuntu esm-infra-legacy/trusty *
Mysql-5.5 Ubuntu precise *
Mysql-5.5 Ubuntu trusty *
Mysql-5.5 Ubuntu trusty/esm *
Mysql-5.5 Ubuntu upstream *
Mysql-5.6 Ubuntu trusty *
Mysql-5.6 Ubuntu upstream *
Percona-server-5.6 Ubuntu artful *
Percona-server-5.6 Ubuntu esm-apps/xenial *
Percona-server-5.6 Ubuntu xenial *
Percona-server-5.6 Ubuntu yakkety *
Percona-server-5.6 Ubuntu zesty *
Percona-xtradb-cluster-5.5 Ubuntu trusty *
Percona-xtradb-cluster-5.6 Ubuntu artful *
Percona-xtradb-cluster-5.6 Ubuntu esm-apps/xenial *
Percona-xtradb-cluster-5.6 Ubuntu xenial *
Percona-xtradb-cluster-5.6 Ubuntu yakkety *
Percona-xtradb-cluster-5.6 Ubuntu zesty *

Potential Mitigations

References