Details
Alert ID 100021
Alert Type Script Passive
Status alpha
Risk High
CWE 327
WASC 13
Technologies Targeted All
Tags CWE-327
More Info Scan Rule Help

Summary

A request has been made that appears to conform to poor cryptography used by Telerik UI for ASP.NET AJAX prior to v2017.2.621. An attacker could manipulate the value of the dp parameter to possibly learn the machine key and upload arbitrary files, which could then lead to the compromise of ASP.NET ViewStates and arbitrary code execution respectively. CVE-2017-9248 has a CVSSv3 score of 9.8.

Solution

See https://docs.telerik.com/devtools/aspnet-ajax/knowledge-base/common-cryptographic-weakness for update/mitigation guidance.

Other Info

References

Code

passive/Telerik Using Poor Crypto.js