Oracle MySQL Server up to 5.5.45/5.6.26 Query Cache 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 5.5.45/5.6.26 and classified as problematic. This issue affects some unknown processing of the component Query Cache. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2015-4807. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Oracle MySQL Server up to 5.5.45/5.6.26 (Database Software). Affected by this issue is an unknown code of the component Query Cache. 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 Server 5.5.45 and earlier and 5.6.26 and earlier, when running on Windows, allows remote authenticated users to affect availability via unknown vectors related to Server : Query Cache.

The weakness was presented 10/20/2015 with Oracle as Oracle Critical Patch Update Advisory - October 2015 as confirmed advisory (Website). The advisory is available at oracle.com. This vulnerability is handled as CVE-2015-4807 since 06/24/2015. The attack may be launched remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 86858 (FreeBSD : MySQL - Multiple vulnerabilities (851a0eea-88aa-11e5-90e7-b499baebfeaf)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350019 (Amazon Linux Security Advisory for mysql56: ALAS-2016-684).

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 (86858), SecurityFocus (BID 77205†) and Vulnerability Center (SBV-58274†). See VDB-77628, VDB-78614, VDB-78643 and VDB-78622 for similar entries. If you want to get best quality of vulnerability data, you may have to visit 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: 86858
Nessus Name: FreeBSD : MySQL - Multiple vulnerabilities (851a0eea-88aa-11e5-90e7-b499baebfeaf)
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: 🔍
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 🔍
11/12/2015 +22 days 🔍
11/13/2015 +1 days 🔍
04/17/2016 +156 days 🔍
06/23/2022 +2258 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2015-4807 (🔍)
GCVE (CVE): GCVE-0-2015-4807
GCVE (VulDB): GCVE-100-78698
SecurityFocus: 77205 - Oracle MySQL Server CVE-2015-4807 Remote Security Vulnerability
SecurityTracker: 1033894
Vulnerability Center: 58274 - [cpuoct2015-2367953-MySQL] Oracle MySQL Remote DoS in Query Cache Server - CVE-2015-4807, Low

See also: 🔍

Entryinfo

Created: 10/21/2015 12:52
Updated: 06/23/2022 16:58
Changes: 10/21/2015 12:52 (68), 02/05/2019 14:06 (10), 06/23/2022 16:58 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!