Oracle MySQL Server 5.6.34/5.7.16 Replication 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 was found in Oracle MySQL Server 5.6.34/5.7.16. It has been classified as critical. Affected by this issue is some unknown functionality of the component Replication. The manipulation leads to denial of service. This vulnerability is listed as CVE-2016-8327. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle MySQL Server 5.6.34/5.7.16 (Database Software). It has been rated as critical. This issue affects an unknown code block of the component Replication. 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 bug was discovered 01/17/2017. The weakness was presented 01/19/2017 with Oracle as Oracle Critical Patch Update Advisory - January 2017 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2016-8327 since 09/26/2016. The exploitation is known to be difficult. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. 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 was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96618 (FreeBSD : mysql -- multiple vulnerabilities (4d2f9d09-ddb7-11e6-a9a5-b499baebfeaf)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 20029 (Oracle MySQL January 2017 Critical Patch Update (CPUJAN2017)).

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 (96618) and SecurityFocus (BID 95557†). See VDB-95550, VDB-95551, VDB-95552 and VDB-95553 for similar entries. 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: 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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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: 96618
Nessus Name: FreeBSD : mysql -- multiple vulnerabilities (4d2f9d09-ddb7-11e6-a9a5-b499baebfeaf)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801205
OpenVAS Name: Oracle Mysql Security Updates (jan2017-2881727) 03 - Windows
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

09/26/2016 🔍
01/17/2017 +113 days 🔍
01/17/2017 +0 days 🔍
01/19/2017 +2 days 🔍
01/19/2017 +0 days 🔍
01/19/2017 +0 days 🔍
01/19/2017 +0 days 🔍
01/27/2017 +8 days 🔍
11/02/2022 +2105 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2017
Organization: Oracle
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8327 (🔍)
GCVE (CVE): GCVE-0-2016-8327
GCVE (VulDB): GCVE-100-95723

OVAL: 🔍

SecurityFocus: 95557 - Oracle MySQL Server CVE-2016-8327 Remote Security Vulnerability
OSVDB: - CVE-2016-8327 - Oracle - MySQL - Unspecified Issue
SecurityTracker: 1037640

See also: 🔍

Entryinfo

Created: 01/19/2017 14:16
Updated: 11/02/2022 17:20
Changes: 01/19/2017 14:16 (87), 07/26/2020 17:49 (7), 11/02/2022 17:20 (4)
Complete: 🔍
Cache ID: 216:3D3:103

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