Read the docs
TI-2017-02505 Aliases CVE-2017-3305GHSA-7568-gxg7-r8h9

Cleartext transmission of sensitive information in Oracle MySQL Server

Priority LOW 27CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-319.

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".

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01361 71st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleMySQL Serverup to 5.5.55; up to 5.6.35—No fix listedCNA
  • MySQL Server VendorOracle Affected up to 5.5.55; up to 5.6.35 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*5.5.0 – 5.5.55; 5.6.0 – 5.6.35VulnerableOracle
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* Versions 5.5.0 – 5.5.55; 5.6.0 – 5.6.35 Vulnerable ·Oracle
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2017:2787 Released 2017-09-21 · Red Hat rating Important
    rh-mysql56-mysql security and bug fix update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mysql56-mysql-5.6.37-5.el6, rh-mysql56-mysql-bench-5.6.37-5.el6, rh-mysql56-mysql-common-5.6.37-5.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql56-mysql-5.6.37-5.el7, rh-mysql56-mysql-bench-5.6.37-5.el7, rh-mysql56-mysql-common-5.6.37-5.el7 +5
    • 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-bench-5.6.37-5.el6, rh-mysql56-mysql-common-5.6.37-5.el6 +5
    • 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-bench-5.6.37-5.el7, rh-mysql56-mysql-common-5.6.37-5.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mysql56-mysql-5.6.37-5.el6, rh-mysql56-mysql-bench-5.6.37-5.el6, rh-mysql56-mysql-common-5.6.37-5.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql56-mysql-5.6.37-5.el7, rh-mysql56-mysql-bench-5.6.37-5.el7, rh-mysql56-mysql-common-5.6.37-5.el7 +5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:2787
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:2787
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2017:2787
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2017:2787
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:2787
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:2787
Not affected: 13 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
  • Red Hat Mobile Application Platform 4
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 11 (Ocata)
  • Red Hat OpenStack Platform 12 (Pike)
  • Red Hat OpenStack Platform 8 (Liberty)
  • Red Hat OpenStack Platform 9 (Mitaka)
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-3305
  2. 2026-10-03 Alias added: GHSA-7568-gxg7-r8h9

References

  • TI-2017-02794 Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server… CVSS 3.0HIGH 7.5
  • TI-2016-05707 Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB… CVSS 3.0CRITICAL 9.8
  • TI-2003-00723 Buffer overflow in get_salt_from_password from sql_acl.cc for MySQL 4.0.14 and earlier… CVSS 2.0HIGH 9.0
  • TI-2020-04444 RFD Attack via "Content-Disposition" Header Sourced from Request Input by Spring MVC or Spring WebFlux Application CVSS 3.1HIGH 7.5
  • TI-2008-00208 Multiple buffer overflows in yaSSL 1.7.5 and earlier, as used in MySQL and possibly other… CVSS 2.0HIGH 7.5
  • TI-2020-01888 Segmentation fault in SSL_check_chain CVSS 3.1HIGH 7.5
See all 1327 →

Sources