VDB-98979 · CVE-2016-9467 · OpenVAS 801810

ownCloud Server up to 9.0.5/9.1.1 Files App access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

A vulnerability was found in ownCloud Server up to 9.0.5/9.1.1 (Cloud Software). It has been classified as critical. This affects some unknown processing of the component Files App. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-284. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an attacker-controlled error message to the user.

The bug was discovered 10/10/2016. The weakness was shared 03/28/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2016-9467 since 11/19/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 168 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 9.0.6 or 9.1.2 eliminates this vulnerability.

The entries 98980, 98978, 98977 and 98975 are related to this item.

Productinfoedit

Type

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.4
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801810
OpenVAS Name: Nextcloud Multiple Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Server 9.0.6/9.1.2

Timelineinfoedit

10/10/2016 🔍
11/19/2016 +40 days 🔍
03/27/2017 +128 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
12/29/2019 +1006 days 🔍

Sourcesinfoedit

Advisory: github.com
Status: Not defined

CVE: CVE-2016-9467 (🔍)
See also: 🔍

Entryinfoedit

Created: 03/28/2017 10:16 PM
Updated: 12/29/2019 02:05 PM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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