Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2015-3152

Improper Certificate Validation

Published: May 16, 2016 | Modified: Apr 12, 2025
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
4.3 MODERATE
AV:N/AC:M/Au:N/C:P/I:N/A:N
RedHat/V3
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2015-3152
CWEhttps://cwe.mitre.org/data/definitions/295.html

Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the –ssl option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, aka a BACKRONYM attack.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

NameVendorStart VersionEnd Version
MysqlOracle*5.7.2 (including)
Mysql_connector/cOracle*6.1.2 (including)
Red Hat Enterprise Linux 7RedHatmariadb-1:5.5.44-1.ael7b_1*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHatrh-mariadb100-mariadb-1:10.0.20-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHatmariadb55-mariadb-0:5.5.44-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSRedHatrh-mariadb100-mariadb-1:10.0.20-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSRedHatmariadb55-mariadb-0:5.5.44-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSRedHatrh-mariadb100-mariadb-1:10.0.20-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSRedHatmariadb55-mariadb-0:5.5.44-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-mariadb100-mariadb-1:10.0.20-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatmariadb55-mariadb-0:5.5.44-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSRedHatrh-mariadb100-mariadb-1:10.0.20-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSRedHatmariadb55-mariadb-0:5.5.44-1.el7*
Mariadb-10.0Ubuntuesm-apps/xenial*
Mariadb-10.0Ubuntuupstream*
Mariadb-10.0Ubuntuvivid*
Mariadb-10.0Ubuntuwily*
Mariadb-10.0Ubuntuxenial*
Mariadb-10.0Ubuntuyakkety*
Mariadb-5.5Ubuntutrusty*
Mariadb-5.5Ubuntuupstream*
Mariadb-5.5Ubuntuutopic*
Mysql-5.5Ubuntuesm-infra-legacy/trusty*
Mysql-5.5Ubuntuprecise*
Mysql-5.5Ubuntuprecise/esm*
Mysql-5.5Ubuntutrusty*
Mysql-5.5Ubuntutrusty/esm*
Mysql-5.5Ubuntuupstream*
Mysql-5.5Ubuntuutopic*
Mysql-5.6Ubuntutrusty*
Mysql-5.6Ubuntuupstream*
Mysql-5.6Ubuntuutopic*
Mysql-5.6Ubuntuvivid*
Mysql-5.6Ubuntuwily*
Mysql-dfsg-5.1Ubuntulucid*
Mysql-dfsg-5.1Ubuntuupstream*
Percona-server-5.6Ubuntuartful*
Percona-server-5.6Ubuntuesm-apps/xenial*
Percona-server-5.6Ubuntuupstream*
Percona-server-5.6Ubuntuvivid*
Percona-server-5.6Ubuntuwily*
Percona-server-5.6Ubuntuxenial*
Percona-server-5.6Ubuntuyakkety*
Percona-server-5.6Ubuntuzesty*
Percona-xtradb-cluster-5.5Ubuntutrusty*
Percona-xtradb-cluster-5.5Ubuntuupstream*
Percona-xtradb-cluster-5.5Ubuntuutopic*

Potential Mitigations

References

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