VDB-159169 · CVE-2020-16143 · GCVE-0-2020-16143

seafile-client 7.0.8 DLL exchndl.dll uncontrolled search path

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 has been found in seafile-client 7.0.8 and classified as critical. Affected is an unknown function in the library exchndl.dll of the component DLL Handler. This manipulation causes uncontrolled search path. The identification of this vulnerability is CVE-2020-16143. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in seafile-client 7.0.8 and classified as critical. Affected by this vulnerability is an unknown part in the library exchndl.dll of the component DLL Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The seafile-client client 7.0.8 for Seafile is vulnerable to DLL hijacking because it loads exchndl.dll from the current working directory.

The weakness was shared 07/29/2020. This vulnerability is known as CVE-2020-16143 since 07/29/2020. An attack has to be approached locally. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

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

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

Productinfo

Name

seafile-client

Version

7.0.8

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

07/29/2020 🔍
07/29/2020 +0 days 🔍
07/30/2020 +1 days 🔍
07/30/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-16143 (🔍)
GCVE (CVE): GCVE-0-2020-16143
GCVE (VulDB): GCVE-100-159169

Entryinfo

Created: 07/30/2020 16:50
Updated: 07/30/2020 16:55
Changes: 07/30/2020 16:50 (35), 07/30/2020 16:55 (17)
Complete: 🔍
Cache ID: 216::103