VDB-98973 · CVE-2016-9461 · BID 97276

ownCloud Server up to 9.0.3 WebDAV Copy access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in ownCloud Server up to 9.0.3. It has been rated as critical. The affected element is an unknown function of the component WebDAV Copy Handler. Performing a manipulation results in access control. This vulnerability was named CVE-2016-9461. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in ownCloud Server up to 9.0.3 (Cloud Software). This affects an unknown function of the component WebDAV Copy Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on integrity, and availability. The summary by CVE is:

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.

The bug was discovered 10/10/2016. The weakness was presented 03/28/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2016-9461 since 11/19/2016. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 9.0.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97276†). See VDB-98977, VDB-98975, VDB-98974 and VDB-98972 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.6

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

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801810
OpenVAS Name: nextCloud share.js Gallery Application XSS Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Server 9.0.4
Patch: github.com

Timelineinfo

07/19/2016 🔍
10/10/2016 +83 days 🔍
11/19/2016 +40 days 🔍
03/27/2017 +128 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
11/22/2022 +2065 days 🔍

Sourcesinfo

Advisory: 3491400261c1454a9a30d3ec96969573330120cc
Status: Not defined

CVE: CVE-2016-9461 (🔍)
GCVE (CVE): GCVE-0-2016-9461
GCVE (VulDB): GCVE-100-98973
SecurityFocus: 97276 - ownCloud and Nextcloud CVE-2016-9461 Unauthorized Access Vulnerability

See also: 🔍

Entryinfo

Created: 03/28/2017 22:05
Updated: 11/22/2022 16:22
Changes: 03/28/2017 22:05 (65), 12/29/2019 13:30 (3), 11/22/2022 16:22 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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