ownCloud Server up to 6.0.7/7.0.5/8.0.3 File Name Sanitizer $_GET resource management

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ownCloud Server up to 6.0.7/7.0.5/8.0.3. This affects an unknown part of the component File Name Sanitizer. The manipulation of the argument $_GET as part of Array leads to resource management. This vulnerability is uniquely identified as CVE-2015-4717. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ownCloud Server up to 6.0.7/7.0.5/8.0.3 (Cloud Software). This issue affects some unknown processing of the component File Name Sanitizer. The manipulation of the argument $_GET as part of a Array leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The filename sanitization component in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 does not properly handle $_GET parameters cast by PHP to an array, which allows remote attackers to cause a denial of service (infinite loop and log file consumption) via crafted endpoint file names.

The weakness was disclosed 10/21/2015 (Website). It is possible to read the advisory at owncloud.org. The identification of this vulnerability is CVE-2015-4717. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 86430 (Debian DSA-3373-1 : owncloud - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175528 (Debian Security Update for owncloud (DSA 3373-1)).

Upgrading to version 6.0.8, 7.0.6 or 8.0.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86430), SecurityFocus (BID 76161†) and Vulnerability Center (SBV-56629†). The entries VDB-78706, VDB-78708, VDB-78709 and VDB-78710 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 86430
Nessus Name: Debian DSA-3373-1 : owncloud - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703373
OpenVAS Name: Debian Security Advisory DSA 3373-1 (owncloud - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Server 6.0.8/7.0.6/8.0.4

Timelineinfo

06/22/2015 🔍
06/24/2015 +2 days 🔍
10/21/2015 +119 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
02/17/2016 +118 days 🔍
04/01/2025 +3330 days 🔍

Sourcesinfo

Advisory: owncloud.org
Status: Confirmed

CVE: CVE-2015-4717 (🔍)
GCVE (CVE): GCVE-0-2015-4717
GCVE (VulDB): GCVE-100-78707

OVAL: 🔍

SecurityFocus: 76161
Vulnerability Center: 56629 - ownCloud Server Remote DoS via Crafted Endpoint File Names, Medium

See also: 🔍

Entryinfo

Created: 10/22/2015 09:48
Updated: 04/01/2025 00:46
Changes: 10/22/2015 09:48 (41), 06/08/2017 23:47 (21), 06/23/2022 18:28 (1), 06/23/2022 18:37 (7), 06/23/2022 18:44 (1), 04/01/2025 00:46 (17)
Complete: 🔍
Cache ID: 216:590:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!