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 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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/

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2019-06-05 14:29

Updated : 2019-06-06 23:29

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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