Lepton CMS 2.2.2 Create Page add.php parent Blind sql injection

Summaryinfo

A vulnerability classified as critical has been found in Lepton CMS 2.2.2. This vulnerability affects unknown code of the file /LEPTON_stable_2.2.2/upload/admins/pages/add.php of the component Create Page. The manipulation of the argument parent with the input 0 union select version() leads to sql injection (Blind). The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Lepton CMS 2.2.2 (Content Management System). This issue affects some unknown processing of the file /LEPTON_stable_2.2.2/upload/admins/pages/add.php of the component Create Page. The manipulation of the argument parent with the input value 0 union select version() leads to a sql injection vulnerability (Blind). Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The weakness was released 11/17/2016 by Tim Coen with Curesec Research Team as Lepton 2.2.2: SQL Injection as confirmed mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. The public release was coordinated with Lepton. The attack may be initiated remotely. Required for exploitation is a simple authentication. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1505 for this issue.

A public exploit has been developed by Tim Coen in HTTP POST Request and been published immediately after the advisory. The exploit is available at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 169 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:LEPTON_stable_2.2.2/upload/admins/pages/add.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.3.0 eliminates this vulnerability. The upgrade is hosted for download at lepton-cms.org. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-93700 and VDB-93702. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Vendor

• Lepton

Name

• CMS

Version

• 2.2.2

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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

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