A vulnerability was found in Collabtive 0.4.8. It has been rated as critical. This issue affects some unknown functionality of the component File Upload. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in Collabtive 0.4.8 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension and using a text/plain MIME type, then accessing it via a direct request to the file in files/, related to (1) the showproject action in managefile.php or (2) the Messages feature.

The weakness was presented 08/12/2009 by Francesco "aScii" Ongaro (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2008-6948 since 08/11/2009. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by USH and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 275 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (46498), Exploit-DB (7076) and SecurityFocus (BID 32229†). See VDB-49374, VDB-49372 and VDB-49371 for similar entries.

Productinfo

Name

• Collabtive

Version

• 0.4.8

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion