Denial of service in Nextcloud Video Converter app



Published: 2019-10-19 | Updated: 2020-02-11
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2019-18214
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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NextcloudVideo_Converter
Client/Desktop applications / Multimedia software

Vendor Paul Lereverend

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated: 11.02.2020

Updated list of affected versions.

1) Resource management error

EUVDB-ID: #VU21945

Risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-18214

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect implementation of concurrency when performing conversion of multiple FFmpeg streams. A remote attacker can consume all available CPU and memory resources and perform a denial of service attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NextcloudVideo_Converter: 0.0.2 - 0.1.3

External links

http://github.com/PaulLereverend/NextcloudVideo_Converter/issues/22


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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