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MitreCVE-2019-12739

HistoryJun 05, 2019 - 2:29 p.m.

CVE-2019-12739

2019-06-0514:29:11

CWE-78

mitre

web.nvd.nist.gov

cve

2019

12739

nextcloud

remote code execution

rar

ajax

security vulnerability

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.011

Percentile

84.4%

JSON

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).

Affected configurations

Nvd

Node

nextcloudextractRange<1.2.0nextcloud

VendorProductVersionCPE
nextcloudextract*cpe:2.3:a:nextcloud:extract:*:*:*:*:*:nextcloud:*:*

Vendor	Product	Version	CPE
nextcloud	extract	*	cpe:2.3:a:nextcloud:extract::::::nextcloud::*

References

hackerone.com/reports/546753

www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.011

Percentile

84.4%

JSON

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