A vulnerability classified as problematic has been found in Serpico 1.3.0. This affects an unknown functionality. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. The summary by CVE is:

An issue was discovered in Serpico (aka SimplE RePort wrIting and CollaboratiOn tool) 1.3.0. It does not use CSRF Tokens to mitigate against CSRF; it uses the Origin header (which must match the request origin). This is problematic in conjunction with XSS: one can escalate privileges from User level to Administrator.

The weakness was released 01/15/2020 by Joel Aviad Ossi (websecnl) with OS.SI Consulting B.V. (Website). It is possible to read the advisory at websec.nl. This vulnerability is uniquely identified as CVE-2019-19854 since 12/17/2019. 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 are unknown but a public exploit is available.

A public exploit has been developed by Joel Aviad Ossi (websecnl) in HTML/Javascript. The exploit is shared for download at youtu.be. It is declared as proof-of-concept.

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

Entries connected to this vulnerability are available at 149032 and 149033.

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• Serpico

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• 1.3.0

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