Oracle MySQL Server up to 5.7.12 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.7.12 and classified as critical. Affected is an unknown function of the component Optimizer. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2016-3518. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 5.7.12 (Database Software) and classified as critical. Affected by this issue is an unknown code of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Unspecified vulnerability in Oracle MySQL 5.7.12 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 available at oracle.com. This vulnerability is handled as CVE-2016-3518 since 03/17/2016. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 91997 (MySQL 5.7.x < 5.7.13 Multiple Vulnerabilities), 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 r. 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 (91997) and SecurityFocus (BID 91787†). The entries VDB-76354, VDB-78584, VDB-78603 and VDB-78601 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Server

Version

• 5.7.0
• 5.7.1
• 5.7.2
• 5.7.3
• 5.7.4
• 5.7.5
• 5.7.6
• 5.7.7
• 5.7.8
• 5.7.9
• 5.7.10
• 5.7.11
• 5.7.12

License

• open-source

Website

• Vendor: https://www.oracle.com

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 91997
Nessus Name: MySQL 5.7.x < 5.7.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 864691
OpenVAS Name: Oracle MySQL Multiple Unspecified Vulnerabilities-03 July16 (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 🔍
07/15/2016 +120 days 🔍
07/19/2016 +4 days 🔍
07/19/2016 +0 days 🔍
07/20/2016 +1 days 🔍
07/20/2016 +0 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-2016-3518 (🔍)
GCVE (CVE): GCVE-0-2016-3518
GCVE (VulDB): GCVE-100-90122

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 15:57
Changes: 07/20/2016 11:30 (71), 03/05/2019 20:52 (11), 09/08/2022 15:57 (3)
Complete: 🔍
Cache ID: 216:421:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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