VDB-74956 · CVE-2015-2571 · BID 74095

Oracle MySQL Server up to 5.5.42/5.6.23 Optimizer denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability has been found in Oracle MySQL Server up to 5.5.42/5.6.23 (Database Software) and classified as critical. This vulnerability affects an unknown function 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. CVE summarizes:

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 04/14/2015 with Oracle as Oracle Critical Patch Update Advisory - April 2015 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability was named CVE-2015-2571 since 03/20/2015. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available.

As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 82865 (Debian DSA-3229-1 : mysql-5.5 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175452 (Debian Security Update for mariadb-10.0 (DSA 3311-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (82865). Additional details are provided at krebsonsecurity.com. Entries connected to this vulnerability are available at 74910, 74899, 74900 and 74901.

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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
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CVSSv2info

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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: 82865
Nessus Name: Debian DSA-3229-1 : mysql-5.5 - security update
Nessus File: 🔍
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OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1665
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

03/20/2015 🔍
04/14/2015 +25 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/16/2015 +1 days 🔍
04/20/2015 +4 days 🔍
05/06/2015 +16 days 🔍
04/18/2016 +348 days 🔍
05/07/2022 +2210 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2015-2571 (🔍)
OVAL: 🔍

SecurityTracker: 1032121
Vulnerability Center: 58288 - [cpuapr2015-2365600] Oracle MySQL Remote DoS in Optimizer, Medium
SecurityFocus: 74095 - Oracle MySQL Server CVE-2015-2571 Remote Security Vulnerability

Misc.: 🔍
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Entryinfo

Created: 04/15/2015 14:26
Updated: 05/07/2022 02:21
Changes: 04/15/2015 14:26 (71), 02/05/2019 14:34 (8), 05/07/2022 02:21 (3)
Complete: 🔍

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