VDB-103138 · CVE-2017-7894 · GCVE-0-2017-7894

WinDjView 2.1 djvu File WinDjView.exe access control

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in WinDjView 2.1. This affects an unknown part of the file WinDjView.exe of the component djvu File Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2017-7894. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in WinDjView 2.1. It has been declared as critical. This vulnerability affects an unknown function of the file WinDjView.exe of the component djvu File Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

WinDjView 2.1 might allow user-assisted attackers to execute code via a crafted .djvu file, because of a "User Mode Write AV near NULL" in WinDjView.exe. One threat model is a victim who obtains an untrusted .djvu file from a remote location and issues several "zoom in" (e.g., Ctrl + Plus) commands.

The bug was discovered 07/05/2017. The weakness was presented 07/05/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2017-7894 since 04/17/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

WinDjView

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/17/2017 🔍
07/05/2017 +79 days 🔍
07/05/2017 +0 days 🔍
07/05/2017 +0 days 🔍
07/06/2017 +1 days 🔍
07/01/2020 +1091 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-7894 (🔍)
GCVE (CVE): GCVE-0-2017-7894
GCVE (VulDB): GCVE-100-103138

Entryinfo

Created: 07/06/2017 10:58
Updated: 07/01/2020 11:54
Changes: 07/06/2017 10:58 (55), 07/01/2020 11:54 (1)
Complete: 🔍
Cache ID: 216::103