CVE-2019-12739

lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).

CVSS v3 9.0 CRITICAL
CVSS v2.0 6.5 MEDIUM

9.0^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/546753	Exploit Third Party Advisory
https://www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/
https://hackerone.com/reports/546753	Exploit Third Party Advisory
https://www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:extract:*:*:*:*:*:nextcloud:*:*

History

21 Nov 2024, 04:23

Type	Values Removed	Values Added
References	~~() https://hackerone.com/reports/546753 - Exploit, Third Party Advisory~~	() https://hackerone.com/reports/546753 - Exploit, Third Party Advisory
References	~~() https://www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/ -~~	() https://www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/ -
CVSS	v2 : ~~6.5~~ v3 : ~~8.8~~	v2 : 6.5 v3 : 9.0

Information

Published : 2019-06-05 14:29

Updated : 2024-11-21 04:23

NVD link : CVE-2019-12739

Mitre link : CVE-2019-12739

CVE.ORG link : CVE-2019-12739

JSON object : View

Products Affected

nextcloud

extract

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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