Home/CVE/Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the
CVE

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

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.

MEDIUM · CVSS 5.9 EPSS 0.39693
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

15
oracle mysql<= 5.7.2
oracle mysql connector\/c<= 6.1.2
mariadb>= 5.5.0 and < 5.5.44
mariadb>= 10.0.0 and < 10.0.20
fedoraproject fedoraall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
⚠

Public Exploits & PoCs

2
pocmysqlblog.fivefarmers.com · redefining-ssl-optionmysqlblog.fivefarmers.com
pocpacketstormsecurity.com · MySQL-SSL-TLS-Downgrade.htmlpacketstormsecurity.com
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighOpenCanary - MySQL Login Attempt
producthighUncommon File Creation By Mysql Daemon Process
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 May 2016 · 10:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

16
suse-csafopenSUSE-SU-2024:10200-1
suse-csafopenSUSE-SU-2024:10290-1
suse-csafopenSUSE-SU-2024:10344-1
suse-csafopenSUSE-SU-2024:11160-1
suse-csafopenSUSE-SU-2024:11169-1
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.htmlMailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.htmlMailing ListThird Party Advisory
http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1646.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1647.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1665.htmlThird Party Advisory
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