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

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

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.5.42/5.6.23. It has been classified as very critical. The impacted element is an unknown function of the component DDL. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2015-0505. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 5.5.42/5.6.23 (Database Software). This affects an unknown code block of the component DDL. 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 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 vectors related to DDL.

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 at oracle.com. This vulnerability is uniquely identified as CVE-2015-0505 since 12/17/2014. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.

We expect the 0-day to have been worth approximately $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 analysis with Nessus happens with this NASL code:

if (deb_check(release:"7.0", prefix:"libmysqlclient-dev", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libmysqlclient18", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libmysqld-dev", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libmysqld-pic", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-client", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-client-5.5", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-common", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-server", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-server-5.5", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-server-core-5.5", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-source-5.5", reference:"5.5.43-0+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"mysql-testsuite-5.5", reference:"5.5.43-0+deb7u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
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 databases at Tenable (82865), SecurityFocus (BID 74112†) and Vulnerability Center (SBV-58292†). Further details are available at krebsonsecurity.com. Entries connected to this vulnerability are available at VDB-74910, VDB-74899, VDB-74900 and VDB-74901. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 82865
Nessus Name: Debian DSA-3229-1 : mysql-5.5 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1665
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

12/17/2014 🔍
04/14/2015 +118 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 🔍
05/09/2022 +2212 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2015-0505 (🔍)
GCVE (CVE): GCVE-0-2015-0505
GCVE (VulDB): GCVE-100-74961

OVAL: 🔍

SecurityFocus: 74112 - Oracle MySQL Server CVE-2015-0505 Remote Security Vulnerability
SecurityTracker: 1032121
Vulnerability Center: 58292 - [cpuapr2015-2365600] Oracle MySQL Remote DoS in Server DDL, Low

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/15/2015 14:26
Updated: 05/09/2022 06:31
Changes: 04/15/2015 14:26 (72), 02/05/2019 14:38 (8), 05/09/2022 06:31 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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