CVE-2017-3599

Home/CVE/Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Supported versions t

CVE

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Supported versions t

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Supported versions that are affected are 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server.

Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

NOTE: the previous information is from the April 2017 CPU. Oracle has not commented on third-party claims that this issue is an integer overflow in sql/auth/sql_authentication.cc which allows remote attackers to cause a denial of service via a crafted authentication packet.

HIGH · CVSS 7.5 EPSS 0.87337

Act now

EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 1% of all CVEs by exploitation likelihood
Public exploit or PoC is available
SSVC automatable: yes - attacks can be scripted at scale
CVSS base score ≥ 7.0

Sigma rules2 YARA rules0

Look this up elsewhere - one-click external pivots

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

▸ How to read a CVE - triage first, then detect and patch

This page is every public fact about CVE-2017-3599, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.

Triage: should I act now? Four signals, and they are not interchangeable:

CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked. EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal. CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score. Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.

How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.

Then what - two workflows:

Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits. PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.

Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).

View attack path from CVE-2017-3599

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ATT&CK techniques

Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.

T1190 · Exploit Public-Facing Application

▤ Build a SIEM detection for these techniques

▤

CAPEC attack patterns

Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.

CAPEC-CAPEC-92 · Forced Integer Overflow

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Weakness Classification

CWE-190Integer Overflow or Wraparound

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Affected Products & Versions

oracle mysql>= 5.6.0 and <= 5.6.35

oracle mysql>= 5.7.0 and <= 5.7.17

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Public Exploits & PoCs

These PoC and exploit links come from public sources and are not verified to be safe or functional. Review the code before running anything, and treat unverified entries as untrusted.
dosMySQL < 5.6.35 / < 5.7.17 - Integer Overflowverified
pocSECFORCE/CVE-2017-3599 (nomi-sec)
pocjptr218/mysql_dos (nomi-sec)
pocPublic PoC (nvd-reference)
poc20142995/Goby (trickest)
pocARPSyndicate/cvemon (trickest)
pocDynamicDesignz/Alien-Framework (trickest)
pocHimmelAward/Goby_POC (trickest)
pocNyxAzrael/Goby_POC (trickest)
pocZ0fhack/Goby_POC (trickest)
poclnick2023/nicenice (trickest)
pocn0-traces/cve_monitor (trickest)
pocq40603/Continuous-Invivo-Fuzz (trickest)
pocqazbnm456/awesome-cve-poc (trickest)
pocxbl3/awesome-cve-poc_qazbnm456 (trickest)
pocwww.exploit-db.com · 41954www.exploit-db.com
pocwww.secforce.com · cve-2017-3599-pre-auth-mysql-remote-doswww.secforce.com

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Sigma Hunt Rules

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

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Scoring & Timeline

7.5

HIGH · CVSS v3.0 · [email protected]

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 NVD24 Apr 2017 · 07:59 PM

CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

yes

Technical impact

partial

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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Vendor Advisories

rhsaRHSA-2017:2886Low
rhsaRHSA-2017:2787Moderate
usnUSN-3269-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.htmlPatchVendor Advisory

http://www.securityfocus.com/bid/97754Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1038287Third Party AdvisoryVDB Entry