CMS Made Simple up to 2.2.6 class.LoginOperations.php get_data code injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in CMS Made Simple up to 2.2.6. Impacted is the function get_data of the file lib\classes\internal\class.LoginOperations.php. Performing a manipulation results in code injection. This vulnerability is reported as CVE-2018-10085. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in CMS Made Simple up to 2.2.6 (Content Management System). It has been classified as critical. This affects the function get_data of the file lib\classes\internal\class.LoginOperations.php. The manipulation 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. The summary by CVE is:

CMS Made Simple (CMSMS) through 2.2.6 allows PHP object injection because of an unserialize call in the _get_data function of \lib\classes\internal\class.LoginOperations.php. By sending a crafted cookie, a remote attacker can upload and execute code, or delete files.

The bug was discovered 04/13/2018. The weakness was disclosed 04/13/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-10085 since 04/13/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

By approaching the search of inurl:lib\classes\internal\class.LoginOperations.php it is possible to find vulnerable targets with Google Hacking.

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

The entries VDB-116186, VDB-116183, VDB-116184 and VDB-116185 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Name

• CMS Made Simple

Version

• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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