Webmaster | Contact Us            Please address comments about this page to nvd@nist.gov. In the deserialization attack, rather than submitting the expected Telerik.Web.UI.AsyncUploadConfiguration type with rauPostData, an attacker can submit a file upload POST request specifying the type as a remote code execution gadget instead. This vulnerability is one of the most commonly exploited vulnerabilities, as recently noted by the NSA and the ACSC. Versions R2 2017 (2017.2.503) and prior are vulnerable. A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution. 02/05/2020. Location CWE-326: Inadequate Encryption Strength - CVE-2017-9248. Kroll was able to pinpoint attacks by examining available forensic evidence and most critically, web server access logs, looking specifically for unique user-agent strings and IP addresses previously flagged by our threat intelligence team. According to recent reporting by the New Jersey Cybersecurity and Communications Integration Cell (NJCCIC), a group dubbed Blue Mockingbird recently infected thousands of computer systems via the Telerik vulnerability. Statement | NIST Privacy Program | No NIST does In May 2020, Kroll began observing an increase in compromises related to vulnerabilities in Telerik user interface (UI) software, a spinoff of Telerik’s web software tools which provides navigation controls. Kroll observed more than a dozen cases in a short span of time in which attackers targeted the Telerik vulnerability to deploy remote access tools or credential harvesting software and then gain remote access to the client’s network. Kroll responded to one example incident in which an e-commerce client had a downstream customer report instances of fraud after using a credit card on their website. July 16, 2020 Security Blue Mockingbird, security, Telerik, Telerik Web UI Takeshi Eto Over the past few months, we have seen a large number of hacking attempts against our customer sites using an old Telerik component vulnerability. (As of 2020.1.114, a default setting prevents the exploit. Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. The Cyber Risk practice of Kroll, a division of Duff & Phelps, is proud to sponsor Connect 2020, VMware Carbon Black's cyber security conference in Chicago. An issue was discovered in Progress Telerik UI for Silverlight before 2020.1.330. An overview of the vulnerability, its exploitation and proof of concept code, which the actor leveraged, is available from Bishop Fox6. An unauthenticated, remote attacker can exploit this, via specially crafted data, to execute arbitrary code. referenced, or not, from this page. The government observed advanced persistent threat (APT) scanning for unpatched versions of the Telerik vulnerability and leveraging publicly available exploits to attempt to exploit these systems. Solution We have addressed the vulnerability and the Progress MOVEit Support team strongly recommends performing an upgrade to the fixed version listed in the table below. As of R1 2017, the Encrypt-then-MAC approach is implemented, in order to improve the integrity of the encrypted temporary and target folders. In early May, after several days of review, the client found a malicious script that captured cardholder data (more specifically it captured content of the visitor’s typed in or auto-filled check out form input) upon checkout. This can be accomplished using tools such as grep, PowerGrep or the “, Look for connections to the following URL within the web server logs: /Telerik.Web.UI.WebResource.axd?type=rau. Fear Act Policy, Disclaimer Telerik UI - Remote Code Execution via Insecure Deserialization. ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. Subscription is available below: Thank you! webapps exploit for ASPX platform Are we missing a CPE here? This Metasploit module exploits the .NET deserialization vulnerability within the RadAsyncUpload (RAU) component of Telerik UI ASP.NET AJAX that is identified as CVE … “The group conducted a cryptocurrency mining campaign by targeting public-facing servers running ASP.NET apps using the Telerik framework. Validated Tools SCAP No New York New York 10055, Phone Solution Upgrade to Telerik UI for ASP.NET AJAX version R2 2017 SP2 (2017.2.711) or later. The victim must interactively choose the Open On Browser option. Successful exploitation of this vulnerability could allow for remote code execution within the context of a privileged process. The issues were fixed in Telerik's public assemblies starting from 2017.2.711. Sign in or Create an account to bookmark this page. Delivering actionable recommendations using the best technology and expertise available. | Our Other Offices, NVD Dashboard News Email List FAQ Visualizations, Search & Statistics Full Listing Categories Data Feeds Vendor CommentsCVMAP, CVSS V3 A couple weeks before the attack, one of the client’s IT vendors advised that they had identified the Telerik vulnerability within their vendor-managed database, which allowed code to be remotely executed in an unauthorized manner. 1-888-282-0870, Sponsored by Search for the version of Telerik if unknown. ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. The Telerik.Web.UI.dll is vulnerable to a cryptographic weakness which allows the attacker to extract the Telerik.Web.UI.DialogParametersEncryptionKey and/or the MachineKey. Telerik is also included with third-party software, such as the last case Kroll worked on. Links to Telerik UI security vulnerablities CVE-2014-2217, CVE-2017-11317 and CVE-2019-18935 were added to References on 12-May-20. 800-53 Controls SCAP Telerik Vulnerability (CVE-2019-18935) Creates Surge in Web Compromise and Cryptomining Attacks - The Monitor, Issue 14, /en/insights/publications/cyber/monitor/telerik-vulnerability-surge-web-compromise-cryptomining-attacks, /-/media/kroll/images/publications/featured-images/2019/telerik-exploits.jpg, Malware and Advanced Persistent Threat Detection. The article below was extracted from The Monitor newsletter, a monthly digest of Kroll’s global cyber risk case intake. In early June, Australia suffered a large volume of state-sponsored attacks related to the Telerik UI vulnerability. the facts presented on these sites. Directory Traversal (Workflow) vulnerability Directory Traversal (File upload) vulnerability XSS vulnerabilities in the Backend Administration 12.2 12.2.7230 Not Vulnerable 12.1 12.1.7131 Not Vulnerable 12.0 12.0.7037 Not Vulnerable 11.2 11.2.6937 Not Vulnerable 11.1 A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution within the context of a privileged process. Fixed in version 5.0.20204. Without that user-agent string, the page would load as an HTTP 404 error, and the webshell would not activate.”, Devon Ackerman, Managing Director and Head of North America Incident Response, added: “Like most webshells leveraged by attackers, these shells provided the unauthorized actors with abilities ranging from direct SQL database access, to file read/write capabilities, to operating system-level remote command prompt and PowerShell access.”. By selecting these links, you will be leaving NIST webspace. Telerik UI ASP.NET AJAX RadAsyncUpload Deserialization Posted Oct 20, 2020 Authored by Spencer McIntyre, Oleksandr Mirosh, Markus Wulftange, Alvaro Munoz, Paul Taylor, Caleb Gross, straightblast | Site metasploit.com. Telerik provided fixes to Sitecore as custom updates for assembly versions that are compatible with Sitecore CMS/XP. USGCB, US-CERT Security Operations Center Email: soc@us-cert.gov Phone: Wednesday, 04 March, 2020 The Australian Cyber Security Centre (ACSC) has warned of a new remote code execution attack campaign involving “sophisticated actors” targeting unpatched versions of the Telerik user interface for the AJAX extensions of the ASP.NET web application framework. I would like to receive periodic news, reports, and invitations from Kroll, a Duff & Phelps. Policy | Security “The actor has been identified leveraging a number of initial access vectors, with the most prevalent being the exploitation of public-facing infrastructure — primarily through the use of remote code execution vulnerabilities in unpatched versions of Telerik UI,” the report stated. The following recommendations, provided by Kroll experts Michael Quinn and Devon Ackerman, should be taken into consideration to prevent exploits directed at the Telerik vulnerability: Managing an ever-expanding list of vulnerabilities takes considerable resources and it’s especially hard to determine which vulnerability deserves priority attention. MOVEit Transfer 2020.1 addresses this issue by appropriately sanitizing input to the affected application element. The conference will address the future of endpoint security. Talk to a Kroll expert today via our 24x7 hotlines or contact form. We recently went to address a vulnerability finding in our application whereby a user could exploit a vulnerability in the Telerik.Web.UI version 2015.3.1111.45. V2 Calculator, CPE Dictionary CPE Search CPE Statistics SWID, Checklist (NCP) Repository Policy Statement | Cookie One of our experts will contact you shortly. The vulnerability is brought about by the insecure deserialization of JSON objects, which can lead to remote code execution on the host. To test for this vulnerability, make sure QID 150285 is enabled during your WAS vulnerability scans. Our privacy policy describes how your data will be processed. Developing solutions to identify impacts in your network from malware & cyber threats. The deserialization attack enabled by CVE-2019-18935 is different from the previously exposed encryption flaw in CVE-2017-11317, which allowed unrestricted file uploads. Fixed in version 5.0.20204. Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. Figure 1 - Sectors Most Often Impacted by Telerik Exploits. Kroll is headquartered in New York with offices around the world. Integrity Summary | NIST Apache released security advisories regarding the vulnerabilities found in Apache Struts versions 2.0.0 - 2.5.20. ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. We have provided these links to other web sites because they Further, NIST does not With elevated privileges, the actor(s) retrieved cached credentials from system memory using tools such as Mimikatz which allowed further access the network, lateral movement between servers and eventual staging and deployment of the XMRig cryptocurrency mining software. Cross-site scripting (XSS) vulnerability in Telerik.ReportViewer.WebForms.dll in Telerik Reporting for ASP.NET WebForms Report Viewer control before R1 2017 SP2 (11.0.17.406) allows remote attackers to inject arbitrary web script or HTML via the bgColor parameter to Telerik.ReportViewer.axd. not necessarily endorse the views expressed, or concur with endorse any commercial products that may be mentioned on            By exploiting CVE-2019-18935, the group was able to install a web shell in the compromised server and then used a privilege escalation tool to gain accesses needed to modify server settings and maintain persistence,” the report stated. Discussion Lists, NIST There may be other web Another client had cryptomining software deployed in their environment. They removed it, but by that point, the script had impacted a significant number of cards due to the client’s daily e-commerce site traffic. This issue exists due to a deserialization issue with.NET JavaScriptSerializer through RadAsyncUpload, which can lead to the execution of arbitrary code on the server in the context of the w3wp.exe process. The client assessed that the Telerik vulnerability had been exploited to introduce the malicious script. Information Quality Standards. Devon Ackerman, Managing Director in Kroll’s Cyber Risk practice,  added, “In Kroll’s estimation, for the investigations where actor groups have leveraged the Telerik vulnerability to push in cryptocurrency mining operations, the activity was noisy and burdensome to the impacted systems. inferences should be drawn on account of other sites being The most often targeted clients observed by Kroll within the sample timeframe were in the healthcare and government sectors (Figure 1). In every case that Kroll investigated involving this methodology, the client’s IT and security team had already noted the system resource impact tied to the miners—it wasn’t stealthy, it wasn’t a structured attack, but it was noisy, like a thief stumbling through a victim’s home knocking over lamps and cabinets alerting everyone within ear shot of their presence.”. +1 212 593 1000. USA | Healthcare.gov We have identified a security vulnerability affecting UI for ASP.NET AJAX that exists in versions of Telerik.Web.UI.dll assembly prior to 2017.2.621, as well as Sitefinity versions prior to 10.0.6412.0.We have addressed the issue and have notified customers and partners with details on how to fix the vulnerability. Kroll’s analysis of identified files revealed a range of capabilities across different impacted systems from code injection and remote access to credential harvesting. Overview The Telerik Component present in older versions of DNN has a series of known vulnerabilities: CVE-2017-11317, CVE-2017-11357, CVE-2014 … | Science.gov The vulnerability, which is outlined in CVE-2019-18935, involves a .NET deserialization vulnerability in the software that allows for remote code execution. CISA, Privacy Telerik UI components are quite popular with ASP.NET developers and your ASP.NET web applications may be vulnerable if the underlying components haven't been updated or patched. Please try again later! The state-based actor behind an attack on Australian public and private sector organisations used unpatched vulnerabilities in Telerik UI, … sites that are more appropriate for your purpose. CVE-2019-18935 . these sites. Jobs Report Shows Gains but Vulnerability to New Virus Surge U.S. payrolls grew by 638,000 in October and unemployment fell to 6.9%, but lockdowns could … Update Telerik UI to the latest version available. The Kroll team proposed validating the scope of the client's exposure, conducting a root cause analysis and reviewing logs to determine whether any additional scripts or web shells were introduced. 6 CVE-2015-2264 +Priv 2015-03-12: 2015-03-13 Denotes Vulnerable Software Sorry, something went wrong :( Please try again later! 02/05/2020 05/12/2020 - UPDATED SUBJECT: A Vulnerability in Telerik UI for ASP.NET Could Allow for Arbitrary Code Execution OVERVIEW: A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution. The Telerik vulnerability was used to upload malicious files and run malicious binaries allowing the escalation of privileges in an Internet Information Services account from an internet accessible server. In May 2020, Kroll began observing an increase in compromises related to vulnerabilities in Telerik user interface (UI) software, a spinoff of Telerik’s web software tools which provides navigation controls. As mentioned in several of our previous articles, deploy multi-factor authentication for all internet-accessible remote access services, Ensure adequate Windows event logging and forwarding and system monitoring is in place. Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. | USA.gov, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, Information A confirmation email has been sent to you. | FOIA | The Australian Cyber Security Center (ACSC) also identified the Telerik UI vulnerability CVE-2019-18935 as one of the most exploited vulnerabilities to target Australian organizations in 2019 and 2020, in another security advisory released last week. SBGuard Anti-Ransomware is a free software to protect PC from all known ransomware like TeslaCrypt, CryptoLocker SBGuard Anti-Ransomware, Protect from All Known Ransomware. In this instance, third-party vendor software should be updated and remain in contact to ensure the vendor is aware. The RadUploadHandler class in RadUpload for Silverlight expects a web request that provides the file location of the uploading file along with a few other parameters. In another investigation, a Kroll client started receiving complaints from customers whose banks informed them that fraudulent charges were originating from the client organization. Please let us know, Announcement and Detection Organisations who are running Telerik UI should refer to ACSC Advisory 2020-0047 for further guidance on detection, remediation and mitigation of this Telerik Web UI vulnerability. Notice | Accessibility Of Duff & Phelps Encryption flaw in CVE-2017-11317, which can lead to remote execution. 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