Oracle MySQL Server up to 5.7.11 Optimizer denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 5.7.11. Impacted is an unknown function of the component Optimizer. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2016-3440. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 5.7.11 (Database Software). This affects some unknown processing of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Unspecified vulnerability in Oracle MySQL 5.7.11 and earlier allows remote authenticated users to affect availability via vectors related to Server: Optimizer.

The weakness was disclosed 07/19/2016 with Oracle as Oracle Critical Patch Update Advisory - July 2016 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2016-3440 since 03/17/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 90834 (Oracle MySQL 5.7.x < 5.7.12 Multiple Vulnerabilities (RPM Check) (April 2016 CPU) (July 2016 CPU) (October 2017 CPU) (DROWN)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 20020 (Oracle MySQL July 2016 Critical Patch Update (CPUJUL2016)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90834) and SecurityFocus (BID 91787†). The entries VDB-76354, VDB-78584, VDB-78603 and VDB-78601 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.7
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 90834
Nessus Name: Oracle MySQL 5.7.x < 5.7.12 Multiple Vulnerabilities (RPM Check) (April 2016 CPU) (July 2016 CPU) (October 2017 CPU) (DROWN)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64255
OpenVAS Name: Oracle MySQL Multiple Unspecified Vulnerabilities-03 May16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/17/2016 🔍
05/02/2016 +46 days 🔍
07/15/2016 +74 days 🔍
07/19/2016 +4 days 🔍
07/19/2016 +0 days 🔍
07/20/2016 +1 days 🔍
07/21/2016 +1 days 🔍
09/08/2022 +2240 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2016
Organization: Oracle
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3440 (🔍)
GCVE (CVE): GCVE-0-2016-3440
GCVE (VulDB): GCVE-100-90117

OVAL: 🔍

SecurityFocus: 91787 - Oracle July 2016 Critical Patch Update Multiple Vulnerabilities
SecurityTracker: 1036362

See also: 🔍

Entryinfo

Created: 07/20/2016 11:30
Updated: 09/08/2022 15:29
Changes: 07/20/2016 11:30 (71), 03/05/2019 21:32 (11), 09/08/2022 15:29 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!