VDB-95855 · CVE-2016-7102 · BID 92627

ownCloud Desktop up to 2.2.2 code injection

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in ownCloud Desktop up to 2.2.2. Affected by this issue is some unknown functionality. The manipulation leads to code injection. This vulnerability is referenced as CVE-2016-7102. The attack can only be performed from a local environment. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ownCloud Desktop up to 2.2.2 (Cloud Software) and classified as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ownCloud Desktop before 2.2.3 allows local users to execute arbitrary and possibly gain privileges via a Trojan library in a "special path" in the C: drive.

The bug was discovered 08/17/2016. The weakness was published 01/23/2017 by Florian Bogner (Website). It is possible to read the advisory at owncloud.org. The identification of this vulnerability is CVE-2016-7102 since 08/27/2016. Attacking locally is a requirement. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 159 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370116 (ownCloud Windows Client Local Code Injection Vulnerability).

Upgrading to version 2.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92627†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Name

ownCloud Desktop

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Desktop 2.2.3

Timelineinfo

08/17/2016 🔍
08/17/2016 +0 days 🔍
08/27/2016 +10 days 🔍
01/23/2017 +149 days 🔍
01/23/2017 +0 days 🔍
01/24/2017 +1 days 🔍
09/23/2024 +2799 days 🔍

Sourcesinfo

Advisory: owncloud.org
Researcher: Florian Bogner
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7102 (🔍)
GCVE (CVE): GCVE-0-2016-7102
GCVE (VulDB): GCVE-100-95855
SecurityFocus: 92627 - ownCloud Desktop Client Local Code Injection Vulnerability
OSVDB: - CVE-2016-7102 - ownCloud Desktop - Code Execution Issue

Entryinfo

Created: 01/24/2017 08:33
Updated: 09/23/2024 21:00
Changes: 01/24/2017 08:33 (58), 07/30/2020 17:16 (7), 09/23/2024 21:00 (18)
Complete: 🔍
Cache ID: 216:1EC:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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