VDB-105463 · CVE-2017-12939 · BID 100444

Unity Editor up to 5.6.3 on Windows input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Unity Editor up to 5.6.3 on Windows. The affected element is an unknown function. This manipulation causes input validation. This vulnerability appears as CVE-2017-12939. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Unity Editor up to 5.6.3 on Windows. Affected by this vulnerability is an unknown functionality. 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 confidentiality, integrity, and availability. The summary by CVE is:

A Remote Code Execution vulnerability was identified in all Windows versions of Unity Editor, e.g., before 5.3.8p2, 5.4.x before 5.4.5p5, 5.5.x before 5.5.4p3, 5.6.x before 5.6.3p1, and 2017.x before 2017.1.0p4.

The bug was discovered 08/13/2017. The weakness was presented 08/18/2017 (Website). It is possible to read the advisory at unity3d.com. This vulnerability is known as CVE-2017-12939 since 08/18/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100444†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Unity Editor

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2017 🔍
08/18/2017 +5 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
11/08/2019 +812 days 🔍

Sourcesinfo

Advisory: unity3d.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12939 (🔍)
GCVE (CVE): GCVE-0-2017-12939
GCVE (VulDB): GCVE-100-105463
SecurityFocus: 100444 - Unity Editor CVE-2017-12939 Unspecified Remote Code Execution Vulnerability

Entryinfo

Created: 08/18/2017 22:54
Updated: 11/08/2019 10:34
Changes: 08/18/2017 22:54 (58), 11/08/2019 10:34 (4)
Complete: 🔍
Cache ID: 216::103