CVE-2018-3776 : Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could le

Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log.

Published 2018-08-12 22:29:01

Updated 2023-02-28 17:56:21

Source HackerOne

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2018-3776

Nextcloud » Nextcloud Server
Versions from including (>=) 12.0.0 and before (<) 12.0.3
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Matching versions
Nextcloud » Nextcloud Server
Versions from including (>=) 11.0.0 and before (<) 11.0.5
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.55%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 67 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: support@hackerone.com (Secondary)
CWE-532 Insertion of Sensitive Information into Log File

The product writes sensitive information to a log file.

Assigned by: nvd@nist.gov (Primary)

https://nextcloud.com/security/advisory/?id=NC-SA-2018-006

advisory – Nextcloud
Vendor Advisory
https://hackerone.com/reports/232347

#232347 [FG-VD-17-063] NextCloud Insufficient Attack Protection Vulnerability Notification
Third Party Advisory

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