Oracle MySQL Server up to 5.7.21 Connection denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Oracle MySQL Server up to 5.7.21. The affected element is an unknown function of the component Connection. The manipulation results in denial of service. This vulnerability is known as CVE-2018-2762. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Oracle MySQL Server up to 5.7.21 (Database Software). Affected is an unknown function of the component Connection. 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 bug was discovered 04/17/2018. The weakness was published 04/17/2018 with Oracle as Oracle Critical Patch Update Advisory - April 2018 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2018-2762 since 12/15/2017. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 111299 (Photon OS 2.0 : mysql (PhotonOS-PHSA-2018-2.0-0040) (deprecated)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family PhotonOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 20071 (Oracle MySQL April 2018 Critical Patch Update (CPUAPR2018)).

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 (111299) and SecurityFocus (BID 103794†). Similar entries are available at VDB-92314, VDB-92773, VDB-92782 and VDB-92786. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 4.4
Vendor Vector (Oracle): 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111299
Nessus Name: Photon OS 2.0 : mysql (PhotonOS-PHSA-2018-2.0-0040) (deprecated)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54441
OpenVAS Name: Fedora Update for community-mysql FEDORA-2018-8b920c2b00
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/15/2017 🔍
04/17/2018 +123 days 🔍
04/17/2018 +0 days 🔍
04/17/2018 +0 days 🔍
04/17/2018 +0 days 🔍
04/18/2018 +0 days 🔍
04/20/2018 +2 days 🔍
07/24/2018 +95 days 🔍
03/02/2023 +1682 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2018
Organization: Oracle
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-2762 (🔍)
GCVE (CVE): GCVE-0-2018-2762
GCVE (VulDB): GCVE-100-116760

OVAL: 🔍

SecurityFocus: 103794 - Oracle MySQL Server CVE-2018-2762 Remote Security Vulnerability
SecurityTracker: 1040698

See also: 🔍

Entryinfo

Created: 04/20/2018 08:53
Updated: 03/02/2023 14:44
Changes: 04/20/2018 08:53 (85), 01/28/2020 15:07 (6), 03/02/2023 14:44 (5)
Complete: 🔍
Cache ID: 216::103

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