Oracle MySQL Server up to 5.6.23 Information Schema 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 identified as very critical has been detected in Oracle MySQL Server up to 5.6.23. This affects an unknown function of the component Information Schema. The manipulation leads to denial of service. This vulnerability is documented as CVE-2015-0500. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 5.6.23 (Database Software). It has been rated as critical. This issue affects some unknown functionality of the component Information Schema. 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 Server 5.6.23 and earlier allows remote authenticated users to affect availability via unknown vectors.

The weakness was released 04/14/2015 with Oracle as Oracle Critical Patch Update Advisory - April 2015 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2015-0500 since 12/17/2014. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 82800 (MySQL 5.5.x < 5.5.43 / 5.6.x < 5.6.24 Multiple DoS Vulnerabilities (April 2015 CPU)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19970 (Oracle MySQL April 2015 Critical Patch Update (CPUAPR2015)).

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 (82800), SecurityFocus (BID 74081†) and Vulnerability Center (SBV-49702†). krebsonsecurity.com is providing further details. Entries connected to this vulnerability are available at VDB-74910, VDB-74899, VDB-74900 and VDB-74901. Be aware that VulDB is the high quality source for vulnerability data.

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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

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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: 82800
Nessus Name: MySQL 5.5.x < 5.5.43 / 5.6.x < 5.6.24 Multiple DoS Vulnerabilities (April 2015 CPU)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801205
OpenVAS Name: Oracle MySQL Multiple Unspecified Vulnerabilities-04 Jun16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

12/17/2014 🔍
04/14/2015 +118 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
04/16/2015 +1 days 🔍
05/07/2022 +2577 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2015
Organization: Oracle
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0500 (🔍)
GCVE (CVE): GCVE-0-2015-0500
GCVE (VulDB): GCVE-100-74951
SecurityFocus: 74081 - Oracle MySQL Server CVE-2015-0500 Remote Security Vulnerability
SecurityTracker: 1032121
Vulnerability Center: 49702 - [cpuapr2015-2365600] Oracle MySQL Remote DoS in Information Schema, Medium

Misc.: 🔍
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Entryinfo

Created: 04/15/2015 14:26
Updated: 05/07/2022 01:14
Changes: 04/15/2015 14:26 (69), 06/26/2017 10:40 (7), 05/07/2022 01:05 (3), 05/07/2022 01:14 (1)
Complete: 🔍
Cache ID: 216:54A:103

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