Oracle MySQL Server up to 5.5.42 Optimizer denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Oracle MySQL Server up to 5.5.42 (Database Software). This issue affects some unknown processing of the component Optimizer. 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. The summary by CVE is:

Unspecified vulnerability in Oracle MySQL Server 5.5.42 and earlier and 5.6.23 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Optimizer.

The weakness was released 07/16/2015 with Oracle (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2015-4757 since 06/24/2015. The attack may be initiated remotely. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84924 (Oracle MySQL 5.5.x < 5.5.43 Optimizer DoS (July 2015 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 19984 (Oracle MySQL July 2015 Critical Patch Update (CPUJUL2015)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (84924). Entries connected to this vulnerability are available at 76560, 76561, 76562 and 76563.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 84924
Nessus Name: Oracle MySQL 5.5.x < 5.5.43 Optimizer DoS (July 2015 CPU)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 703311
OpenVAS Name: Debian Security Advisory DSA 3311-1 (mariadb-10.0 - security update)
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

06/24/2015 🔍
07/14/2015 +20 days 🔍
07/14/2015 +0 days 🔍
07/16/2015 +2 days 🔍
07/16/2015 +0 days 🔍
07/16/2015 +0 days 🔍
07/17/2015 +1 days 🔍
07/22/2015 +5 days 🔍
04/17/2016 +270 days 🔍
06/03/2022 +2238 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2015-4757 (🔍)
SecurityTracker: 1032911
Vulnerability Center: 58275 - [cpujul2015-2367936] Oracle MySQL Remote DoS of MySQL Server - CVE-2015-4757, Low
SecurityFocus: 75759 - Oracle MySQL Server CVE-2015-4757 Remote Security Vulnerability

See also: 🔍

Entryinfo

Created: 07/17/2015 11:15
Updated: 06/03/2022 08:23
Changes: 07/17/2015 11:15 (68), 02/05/2019 14:08 (7), 06/03/2022 08:21 (4), 06/03/2022 08:23 (1)
Complete: 🔍

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