A vulnerability, which was classified as critical, was found in ownCloud (Cloud Software). Affected is the function htaccess::$DATA. The manipulation of the argument htaccess::$DATA with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS) syntax in the filename parameter, as demonstrated using .htaccess::$DATA to upload a PHP program.

The weakness was published 10/06/2014 (Website). The advisory is available at portcullis-security.com. This vulnerability is traded as CVE-2014-2044 since 02/19/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 4.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (91757) and Exploit-DB (32162).

Productinfo

Type

• Cloud Software

Name

• ownCloud

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10
• 4.0.11
• 4.0.12
• 4.0.13
• 4.0.14
• 4.0.15
• 4.0.16
• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8
• 4.5.9
• 4.5.10
• 4.5.11
• 4.5.12
• 4.5.13

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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