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Fencer Vulns
medium 5.3

CVE-2017-3305 json

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: C API).

published 2017-04-24 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12426

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

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".

Patch / fix

  • mysql-5.5 Ubuntu 14.04 LTS 5.5.55-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2017-3305

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rh-mysql56-mysql RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el6
  • rh-mysql56-mysql RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el7
  • rh-mysql56-mysql-test RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el6
  • rh-mysql56-mysql-test RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el7
  • rh-mysql56-mysql-bench RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el6
  • rh-mysql56-mysql-bench RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el7
  • rh-mysql56-mysql-common RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el6
  • rh-mysql56-mysql-common RHEL 2 SOFTWARE_COLLECTIONS 5.6.37-5.el7

red hat advisories RHSA-2017:2787

  • mysql SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 5.5.55-0.38.1

suse advisories SUSE-SU-2017:1137-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-3305 updated cvss 5.3

mysql: incorrect enforcement of ssl-mode=REQUIRED in MySQL 5.5 and 5.6

  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mysql56-mysql 5.6.37-5.el6, rh-mysql56-mysql-test 5.6.37-5.el6, rh-mysql56-mysql-bench 5.6.37-5.el6, rh-mysql56-mysql-common 5.6.37-5.el6, rh-mysql56-mysql-config 5.6.37-5.el6, rh-mysql56-mysql-errmsg 5.6.37-5.el6, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql56-mysql 5.6.37-5.el7, rh-mysql56-mysql-test 5.6.37-5.el7, rh-mysql56-mysql-bench 5.6.37-5.el7, rh-mysql56-mysql-common 5.6.37-5.el7, rh-mysql56-mysql-config 5.6.37-5.el7, rh-mysql56-mysql-errmsg 5.6.37-5.el7, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-mysql56-mysql 5.6.37-5.el6, rh-mysql56-mysql-test 5.6.37-5.el6, rh-mysql56-mysql-bench 5.6.37-5.el6, rh-mysql56-mysql-common 5.6.37-5.el6, rh-mysql56-mysql-config 5.6.37-5.el6, rh-mysql56-mysql-errmsg 5.6.37-5.el6, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-mysql56-mysql 5.6.37-5.el7, rh-mysql56-mysql-test 5.6.37-5.el7, rh-mysql56-mysql-bench 5.6.37-5.el7, rh-mysql56-mysql-common 5.6.37-5.el7, rh-mysql56-mysql-config 5.6.37-5.el7, rh-mysql56-mysql-errmsg 5.6.37-5.el7, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mysql56-mysql 5.6.37-5.el6, rh-mysql56-mysql-test 5.6.37-5.el6, rh-mysql56-mysql-bench 5.6.37-5.el6, rh-mysql56-mysql-common 5.6.37-5.el6, rh-mysql56-mysql-config 5.6.37-5.el6, rh-mysql56-mysql-errmsg 5.6.37-5.el6, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql56-mysql 5.6.37-5.el7, rh-mysql56-mysql-test 5.6.37-5.el7, rh-mysql56-mysql-bench 5.6.37-5.el7, rh-mysql56-mysql-common 5.6.37-5.el7, rh-mysql56-mysql-config 5.6.37-5.el7, rh-mysql56-mysql-errmsg 5.6.37-5.el7, +1 more
    fixed: vendor fix RHSA-2017:2787
  • Red Hat Enterprise Linux 5 mysql55-mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) mariadb-galera Red Hat Enterprise Linux OpenStack Platform 6 (Juno) mariadb-galera Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) mariadb-galera, mariadb-galera-common, mariadb-galera-server
    +7 more products
    Red Hat Mobile Application Platform 4 rhmap-mysql-docker Red Hat OpenStack Platform 8 (Liberty) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 9 (Mitaka) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 10 (Newton) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 11 (Ocata) mariadb-galera Red Hat OpenStack Platform 12 (Pike) mariadb-galera-common, mariadb-galera-server Red Hat Software Collections rh-mysql57-mysql, rh-mariadb100-mariadb, rh-mariadb101-mariadb, rh-mysql57-mysql-test, rh-mysql57-mysql-common, rh-mysql57-mysql-config, +17 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 6.3 AV:N/AC:M/Au:S/C:C/I:N/A:N

Affected products

  • Oracle Corporation MySQL Server

Classification

Weakness
  • CWE-319 Cleartext Transmission of Sensitive Information
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.