DeDeCMS V57_UTF8_SP2 Safe File Extension select_soft.php code injection

Summaryinfo

A vulnerability was found in DeDeCMS V57_UTF8_SP2 and classified as critical. The affected element is an unknown function of the file uploads/include/dialog/select_soft.php of the component Safe File Extension Handler. The manipulation results in code injection. This vulnerability was named CVE-2019-6289. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in DeDeCMS V57_UTF8_SP2 (Content Management System). Affected is an unknown code of the file uploads/include/dialog/select_soft.php of the component Safe File Extension Handler. 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. CVE summarizes:

uploads/include/dialog/select_soft.php in DedeCMS V57_UTF8_SP2 allows remote attackers to execute arbitrary PHP code by uploading with a safe file extension and then renaming with a mixed-case variation of the .php extension, as demonstrated by the 1.pHP filename.

The bug was discovered 01/14/2019. The weakness was presented 01/15/2019 (Website). The advisory is shared for download at laolisafe.com. This vulnerability is traded as CVE-2019-6289 since 01/14/2019. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:uploads/include/dialog/select_soft.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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Content Management System

Name

• DeDeCMS

Version

• V57_UTF8_SP2

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion