Oracle MySQL Server up to 5.7.16 Replication input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Oracle MySQL Server up to 5.7.16. Impacted is an unknown function of the component Replication. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2017-3256. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Oracle MySQL Server up to 5.7.16 (Database Software). This vulnerability affects an unknown code block of the component Replication. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability.

The bug was discovered 01/17/2017. The weakness was released 01/19/2017 with Oracle as Oracle Critical Patch Update Advisory - January 2017 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability was named CVE-2017-3256 since 12/06/2016. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available.

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 $5k-$25k. 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 95486†). Entries connected to this vulnerability are available at VDB-95550, VDB-95551, VDB-95552 and VDB-95553. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 6.5
Vendor Vector (Oracle): 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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) 01 - 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

12/06/2016 🔍
01/17/2017 +42 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-2017-3256 (🔍)
GCVE (CVE): GCVE-0-2017-3256
GCVE (VulDB): GCVE-100-95716

OVAL: 🔍

SecurityFocus: 95486 - Oracle MySQL Server CVE-2017-3256 Remote Security Vulnerability
OSVDB: - CVE-2017-3256 - Oracle - MySQL - Unspecified Issue
SecurityTracker: 1037640

See also: 🔍

Entryinfo

Created: 01/19/2017 14:16
Updated: 11/02/2022 16:27
Changes: 01/19/2017 14:16 (87), 07/26/2020 17:09 (7), 11/02/2022 16:27 (5)
Complete: 🔍
Cache ID: 216:D39:103

Once again VulDB remains the best source for vulnerability data.

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