ownCloud up to 5.0.5 calendar_id access control

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in ownCloud. The impacted element is an unknown function. Such manipulation of the argument calendar_id leads to access control. This vulnerability is documented as CVE-2013-2043. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ownCloud (Cloud Software). Affected by this issue is some unknown functionality. The manipulation of the argument calendar_id with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality. CVE summarizes:

apps/calendar/ajax/events.php in ownCloud before 4.5.11 and 5.x before 5.0.6 does not properly check the ownership of a calendar, which allows remote authenticated users to download arbitrary calendars via the calendar_id parameter.

The weakness was released 03/14/2014 by Mateusz Goik (Kacper) (Website). The advisory is shared for download at owncloud.org. This vulnerability is handled as CVE-2013-2043 since 02/19/2013. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 67283 (Fedora 18 : owncloud-4.5.12-1.fc18 (2013-10440)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 5.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (67283), SecurityFocus (BID 59875†) and Vulnerability Center (SBV-40037†). Entries connected to this vulnerability are available at VDB-66662, VDB-66660, VDB-66659 and VDB-66657. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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-264
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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Nessus ID: 67283
Nessus Name: Fedora 18 : owncloud-4.5.12-1.fc18 (2013-10440)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 866022
OpenVAS Name: Fedora Update for owncloud FEDORA-2013-10440
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud 5.0.0

Timelineinfo

02/19/2013 🔍
05/14/2013 +84 days 🔍
05/14/2013 +0 days 🔍
06/17/2013 +34 days 🔍
03/14/2014 +270 days 🔍
03/14/2014 +0 days 🔍
03/24/2015 +375 days 🔍
03/31/2025 +3660 days 🔍

Sourcesinfo

Advisory: owncloud.org
Researcher: Mateusz Goik (Kacper)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2043 (🔍)
GCVE (CVE): GCVE-0-2013-2043
GCVE (VulDB): GCVE-100-66656
SecurityFocus: 59875 - ownCloud Multiple Security Vulnerabilities
Vulnerability Center: 40037 - ownCloud Server <4.5.11 and <5.0.6 Calendar Application Flaw Allows Remote Privilege Escalation, High

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 03/31/2025 21:08
Changes: 03/24/2015 15:54 (64), 05/03/2017 16:16 (6), 02/03/2022 16:47 (3), 03/31/2025 21:08 (17)
Complete: 🔍
Cache ID: 216:F8A:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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