Insecure DLL loading in ownCloud Desktop Client



Published: 2021-02-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-28646
CWE-ID CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
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ownCloud Desktop App
Client/Desktop applications / Other client software

Vendor ownCloud

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU50956

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-28646

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ownCloud Desktop App: 1.8.3 - 2.6.3


CPE2.3 External links

http://owncloud.com/security-advisories/cve-2020-28646/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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