Summaryinfo

A vulnerability was found in Zero CMS up to 1.0 Alpha. It has been classified as critical. This affects an unknown part of the component Access Restriction. The manipulation leads to access control. This vulnerability is listed as CVE-2008-0233. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Zero CMS up to 1.0 Alpha (Content Management System). This issue affects an unknown code block of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in Zero CMS 1.0 Alpha and earlier allows remote attackers to bypass intended access restrictions and upload and execute arbitrary files by uploading an avatar file with an accepted Content-Type such as image/jpeg.

The weakness was presented 01/10/2008 (Packetstorm). The advisory is shared at packetstormsecurity.org. The identification of this vulnerability is CVE-2008-0233 since 01/10/2008. 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 are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by KiNgOfThEwOrLd and been published before and not just 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 2 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 vulnerability database at Exploit-DB (4864). See VDB-219, VDB-3921, VDB-21253 and VDB-40491 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Name

• Zero CMS

Version

• 1.0 Alpha

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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