National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-3152 Detail

Description

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.

Source:  MITRE
Description Last Modified:  05/16/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.9 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html
http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/
http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/ Vendor Advisory
http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html
http://rhn.redhat.com/errata/RHSA-2015-1646.html
http://rhn.redhat.com/errata/RHSA-2015-1647.html
http://rhn.redhat.com/errata/RHSA-2015-1665.html
http://www.debian.org/security/2015/dsa-3311
http://www.ocert.org/advisories/ocert-2015-003.html Vendor Advisory
http://www.securityfocus.com/archive/1/535397/100/1100/threaded
http://www.securityfocus.com/bid/74398
http://www.securitytracker.com/id/1032216
https://access.redhat.com/security/cve/cve-2015-3152
https://github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390
https://jira.mariadb.org/browse/MDEV-7937 Vendor Advisory
https://www.duosecurity.com/blog/backronym-mysql-vulnerability

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-3152
NVD Published Date:
05/16/2016
NVD Last Modified:
10/09/2018