Oracle MySQL Server up to 5.5.31/5.6.11 Optimizer denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.5.31/5.6.11. It has been rated as problematic. Impacted is an unknown function of the component Optimizer. The manipulation leads to denial of service. This vulnerability is documented as CVE-2016-0502. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 5.5.31/5.6.11 (Database Software) and classified as problematic. This issue affects an unknown function 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. The summary by CVE is:

Unspecified vulnerability in Oracle MySQL 5.5.31 and earlier and 5.6.11 and earlier allows remote authenticated users to affect availability via unknown vectors related to Optimizer.

The weakness was released 01/20/2016 with Oracle as Oracle Critical Patch Update Advisory - January 2016 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2016-0502 since 12/09/2015. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 68938 (MySQL 5.5 < 5.5.32 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 124971 (Fedora Security Update for mariadb (FEDORA-2016-868c170507)).

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 (68938), SecurityFocus (BID 80692†) and Vulnerability Center (SBV-58270†). Entries connected to this vulnerability are available at VDB-78691, VDB-78696, VDB-78702 and VDB-78689. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68938
Nessus Name: MySQL 5.5 < 5.5.32 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-684
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

07/17/2013 🔍
12/09/2015 +875 days 🔍
01/15/2016 +37 days 🔍
01/20/2016 +5 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/21/2016 +1 days 🔍
04/17/2016 +87 days 🔍
07/05/2022 +2270 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2016-0502 (🔍)
GCVE (CVE): GCVE-0-2016-0502
GCVE (VulDB): GCVE-100-80591
SecurityFocus: 80692 - Oracle January 2016 Critical Patch Update Multiple Vulnerabilities
SecurityTracker: 1034708
Vulnerability Center: 58270 - [cpujan2016-2367955-MySQL] Oracle MySQL Server Remote DoS in the Optimizer Sub-Component - CVE-2016-0502, Medium

See also: 🔍

Entryinfo

Created: 01/21/2016 16:56
Updated: 07/05/2022 15:12
Changes: 01/21/2016 16:56 (75), 02/05/2019 13:53 (3), 07/05/2022 15:12 (3)
Complete: 🔍
Cache ID: 216:2C9:103

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