Oracle MySQL Server up to 5.5.43/5.6.24 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.
4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.5.43/5.6.24. It has been rated as problematic. This vulnerability affects unknown code of the component Optimizer. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2015-2643. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Oracle MySQL Server up to 5.5.43/5.6.24 (Database Software). This affects an unknown function 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 Server 5.5.43 and earlier and 5.6.24 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Optimizer.

The weakness was shared 07/16/2015 with Oracle (Website). The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2015-2643 since 03/20/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84836 (Debian DSA-3308-1 : mysql-5.5 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19984 (Oracle MySQL July 2015 Critical Patch Update (CPUJUL2015)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (84836), SecurityFocus (BID 75830†) and Vulnerability Center (SBV-58284†). The entries VDB-76560, VDB-76561, VDB-76562 and VDB-76563 are related to this item. 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: 4.3
VulDB Meta Temp Score: 4.1

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

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: 84836
Nessus Name: Debian DSA-3308-1 : mysql-5.5 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703308
OpenVAS Name: Debian Security Advisory DSA 3308-1 (mysql-5.5 - security update)
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

03/20/2015 🔍
07/14/2015 +116 days 🔍
07/16/2015 +2 days 🔍
07/16/2015 +0 days 🔍
07/17/2015 +1 days 🔍
07/18/2015 +1 days 🔍
07/20/2015 +2 days 🔍
08/24/2015 +35 days 🔍
04/18/2016 +238 days 🔍
06/02/2022 +2236 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: USN-2674-1
Organization: Oracle
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2643 (🔍)
GCVE (CVE): GCVE-0-2015-2643
GCVE (VulDB): GCVE-100-76629

OVAL: 🔍

SecurityFocus: 75830 - Oracle MySQL Server CVE-2015-2643 Remote Security Vulnerability
SecurityTracker: 1032911
Vulnerability Center: 58284 - [cpujul2015-2367936] Oracle MySQL Remote DoS of MySQL Server - CVE-2015-2643, Medium

See also: 🔍

Entryinfo

Created: 07/17/2015 10:51
Updated: 06/02/2022 18:56
Changes: 07/17/2015 10:51 (70), 02/05/2019 14:25 (8), 06/02/2022 18:49 (4), 06/02/2022 18:56 (1)
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 ▸

Do you know our Splunk app?

Download it now for free!