Vulnerability Monitor

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CVE-2015-3152

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.

Published

2016-05-16T10:59:01.220

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	oracle	mysql	≤ 5.7.2	Yes
Application	oracle	mysql_connector\/c	≤ 6.1.2	Yes
Application	mariadb	mariadb	< 5.5.44	Yes
Application	mariadb	mariadb	< 10.0.20	Yes
Operating System	fedoraproject	fedora	21	Yes
Operating System	fedoraproject	fedora	22	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_eus	7.1	Yes
Operating System	redhat	enterprise_linux_eus	7.2	Yes
Operating System	redhat	enterprise_linux_eus	7.3	Yes
Operating System	redhat	enterprise_linux_eus	7.4	Yes
Operating System	redhat	enterprise_linux_eus	7.5	Yes
Operating System	redhat	enterprise_linux_eus	7.6	Yes
Operating System	redhat	enterprise_linux_eus	7.7	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.3	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_aus	7.6	Yes
Operating System	redhat	enterprise_linux_server_aus	7.7	Yes
Operating System	redhat	enterprise_linux_server_tus	7.3	Yes
Operating System	redhat	enterprise_linux_server_tus	7.6	Yes
Operating System	redhat	enterprise_linux_server_tus	7.7	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes
Application	php	php	< 5.4.43	Yes
Application	php	php	< 5.5.27	Yes
Application	php	php	< 5.6.11	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html Mailing List, Third Party Advisory ([email protected])
http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/ Exploit, Third Party Advisory ([email protected])
http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/ Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html Third Party Advisory, VDB Entry ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1646.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1647.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1665.html Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3311 Third Party Advisory ([email protected])
http://www.ocert.org/advisories/ocert-2015-003.html Vendor Advisory ([email protected])
http://www.securityfocus.com/archive/1/535397/100/1100/threaded Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/74398 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032216 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/security/cve/cve-2015-3152 Third Party Advisory ([email protected])
https://github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390 Patch, Third Party Advisory ([email protected])
https://jira.mariadb.org/browse/MDEV-7937 Issue Tracking, Vendor Advisory ([email protected])
https://www.duosecurity.com/blog/backronym-mysql-vulnerability Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1646.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1647.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1665.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3311 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ocert.org/advisories/ocert-2015-003.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/535397/100/1100/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/74398 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032216 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/cve-2015-3152 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://jira.mariadb.org/browse/MDEV-7937 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.duosecurity.com/blog/backronym-mysql-vulnerability Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)