Oracle MySQL Server up to 5.5.58/5.6.38/5.7.20 Optimizer denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 5.5.58/5.6.38/5.7.20. This impacts an unknown function of the component Optimizer. This manipulation causes denial of service. The identification of this vulnerability is CVE-2018-2668. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle MySQL Server up to 5.5.58/5.6.38/5.7.20 (Database Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The bug was discovered 01/16/2018. The weakness was shared 01/18/2018 as Oracle Critical Patch Update Advisory - January 2018 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2018-2668 since 12/15/2017. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 106098 (MySQL 5.5.x < 5.5.59 Multiple Vulnerabilities (RPM Check) (January 2018 CPU)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176531 (Debian Security Update for mariadb-10.1 (DSA 4341-1)).

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 (106098) and SecurityFocus (BID 102682†). The entries VDB-68431, VDB-89667, VDB-92931 and VDB-95678 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 6.5
Vendor Vector (Oracle): 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106098
Nessus Name: MySQL 5.5.x < 5.5.59 Multiple Vulnerabilities (RPM Check) (January 2018 CPU)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830786
OpenVAS Name: Debian Security Advisory DSA 4091-1 (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

12/15/2017 🔍
01/16/2018 +32 days 🔍
01/16/2018 +0 days 🔍
01/17/2018 +0 days 🔍
01/17/2018 +0 days 🔍
01/18/2018 +1 days 🔍
01/18/2018 +0 days 🔍
01/18/2018 +0 days 🔍
01/31/2021 +1109 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2018
Researcher: Zuozhi Fan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-2668 (🔍)
GCVE (CVE): GCVE-0-2018-2668
GCVE (VulDB): GCVE-100-112099

OVAL: 🔍

SecurityFocus: 102682 - Oracle MySQL Server CVE-2018-2668 Remote Security Vulnerability
SecurityTracker: 1040216

See also: 🔍

Entryinfo

Created: 01/18/2018 09:43
Updated: 01/31/2021 16:37
Changes: 01/18/2018 09:43 (87), 12/26/2019 11:49 (3), 01/31/2021 16:33 (3), 01/31/2021 16:37 (1)
Complete: 🔍
Cache ID: 216::103

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