Oracle MySQL Server up to 5.5.51/5.6.32/5.7.14 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-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Oracle MySQL Server up to 5.5.51/5.6.32/5.7.14. Impacted is an unknown function of the component Optimizer. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2016-3492. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 5.5.51/5.6.32/5.7.14 (Database Software). Affected by this issue is an unknown part 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 5.5.51 and earlier, 5.6.32 and earlier, and 5.7.14 and earlier allows remote authenticated users to affect availability via vectors related to Server: Optimizer.

The weakness was published 10/19/2016 with Oracle as Oracle Critical Patch Update Advisory - October 2016 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2016-3492 since 03/17/2016. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 94756 (openSUSE Security Update : mysql-community-server (openSUSE-2016-1289)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 20027 (Oracle MySQL October 2016 Critical Patch Update (CPUOCT2016)).

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 (94756) and SecurityFocus (BID 93650†). Similar entries are available at VDB-4597, VDB-4598, VDB-79101 and VDB-80318. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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

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: 94756
Nessus Name: openSUSE Security Update : mysql-community-server (openSUSE-2016-1289)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100879
OpenVAS Name: RedHat Update for mariadb RHSA-2016:2595-02
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 🔍
10/18/2016 +215 days 🔍
10/19/2016 +1 days 🔍
10/19/2016 +0 days 🔍
10/19/2016 +0 days 🔍
10/25/2016 +6 days 🔍
11/14/2016 +20 days 🔍
09/27/2022 +2143 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2016-3492 (🔍)
GCVE (CVE): GCVE-0-2016-3492
GCVE (VulDB): GCVE-100-92900

OVAL: 🔍

SecurityFocus: 93650 - Oracle MySQL CVE-2016-3492 Remote Security Vulnerability
SecurityTracker: 1037050

See also: 🔍

Entryinfo

Created: 10/19/2016 10:22
Updated: 09/27/2022 13:21
Changes: 10/19/2016 10:22 (69), 05/14/2019 11:27 (13), 09/27/2022 13:21 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!