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-$5k	0.00

A vulnerability, which was classified as problematic, was found in Oracle MySQL Server up to 5.6.26 (Database Software). This affects an unknown code block of the component Replication. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The program 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 5.6.26 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Replication.

The weakness was shared 10/20/2015 as Oracle Critical Patch Update Advisory - October 2015 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2015-4890 since 06/24/2015. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86547 (MySQL 5.6.x < 5.6.27 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases.

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

The vulnerability is also documented in the vulnerability database at Tenable (86547). The entries 77628, 78614, 78643 and 78622 are related to this item.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Server

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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

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
ATT&CK: T1499

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: 86547
Nessus Name: MySQL 5.6.x < 5.6.27 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

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

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/24/2015 🔍
10/20/2015 +118 days 🔍
10/20/2015 +0 days 🔍
10/20/2015 +0 days 🔍
10/21/2015 +1 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
06/23/2022 +2437 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2015-4890 (🔍)
SecurityTracker: 1033894
Vulnerability Center: 53750 - [cpuoct2015-2367953-MySQL] Oracle MySQL Remote DoS in Replication Server - CVE-2015-4890, Low
SecurityFocus: 77231

See also: 🔍

Entryinfo

Created: 10/21/2015 12:52 PM
Updated: 06/23/2022 05:13 PM
Changes: 10/21/2015 12:52 PM (62), 02/15/2018 11:05 AM (7), 06/23/2022 05:06 PM (3), 06/23/2022 05:13 PM (1)
Complete: 🔍

Discussion

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