To test for this vulnerability, make sure QID 150285 is enabled during your WAS vulnerability scans. V2 Calculator, CPE Dictionary CPE Search CPE Statistics SWID, Checklist (NCP) Repository 800-53 Controls SCAP There may be other web Investigating those strings and activity tied to their interactions with internet facing servers revealed suspiciously uploaded files, ranging from .aspx, .js, to .zip content. In early June, Australia suffered a large volume of state-sponsored attacks related to the Telerik UI vulnerability. No 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. 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. 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 Please let us know, Announcement and If you have either of the handlers below registered (make sure to look for the type attribute), you are using the Telerik UI for ASP.NET AJAX (Telerik.Web.UI.dll) suite and your app might be vulnerable to CVE-2017-11317 and/or CVE-2019-18935, and you should keep reading. 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. Anthony Knutson, Senior Vice President in Kroll’s Cyber Risk practice, provided more details: “Specifically in the webshells, our engineers were able to recreate what the threat actor would see when traversing specific pages and demonstrate how these webshell files could go undetected by requiring the specific user-agent string we mentioned. 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. ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. This is a potential security issue, you are being redirected to https://nvd.nist.gov. Kroll is a division of Duff & Phelps, which employs nearly 4,000 employees in over 70 offices around the world. New York New York 10055, Phone A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution within the context of a privileged process. 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. By selecting these links, you will be leaving NIST webspace. Join us for this virtual event and connect with our … 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. Statement | NIST Privacy Program | No ----> For versions 10.2 to until 12.2 Those versions are using patched Telerik.Web.UI versions, but require the use of unique encryption keys in the web.config file: ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. webapps exploit for ASPX platform 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. The most often targeted clients observed by Kroll within the sample timeframe were in the healthcare and government sectors (Figure 1). Integrity Summary | NIST An unauthenticated, remote attacker can exploit this, via specially crafted data, to execute arbitrary code. A confirmation email has been sent to you. The version of Telerik UI for ASP.NET AJAX installed on the remote Windows host is affected by multiple vulnerabilities in Telerik.Web.UI.dll. 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. Developing solutions to identify impacts in your network from malware & cyber threats. The Telerik.AsyncUpload.ConfigurationEncryptionKey is available as of Q3 2012 SP1 (version 2012.3.1205).. You can use the IIS MachineKey Validation Key generator to get the encryption keys (make sure to avoid the ,IsolateApps portion).. ConfigurationHashKey. CVE-2019-18935 . Fixed in version 5.0.20204. 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. Apache released security advisories regarding the vulnerabilities found in Apache Struts versions 2.0.0 - 2.5.20. This Metasploit module exploits the .NET deserialization vulnerability within the RadAsyncUpload (RAU) component of Telerik UI ASP.NET AJAX that is identified as CVE … Links to Telerik UI security vulnerablities CVE-2014-2217, CVE-2017-11317 and CVE-2019-18935 were added to References on 12-May-20. | Our Other Offices, NVD Dashboard News Email List FAQ Visualizations, Search & Statistics Full Listing Categories Data Feeds Vendor CommentsCVMAP, CVSS V3 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. 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. 1-888-282-0870, Sponsored by 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. This vulnerability was assigned CVE-2017-11317. The Kroll team proposed conducting an investigation into unauthorized access of data contained in or entered into the client's website and to review systems for possible acquisition of same. 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. 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. Telerik UI - Remote Code Execution via Insecure Deserialization. these sites. ASP.NET is an open-source server-side web-application framework designed for web development to produce dynamic web pages. Discussion Lists, NIST            The Monitor also includes an analysis of the month’s most popular threat types investigated by our cyber experts. Sorry, something went wrong :( Please try again later! Expert computer forensic assistance at any stage of a digital investigation or litigation. Policy Statement | Cookie The article below was extracted from The Monitor newsletter, a monthly digest of Kroll’s global cyber risk case intake. 55 East 52nd Street Location 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 group conducted a cryptocurrency mining campaign by targeting public-facing servers running ASP.NET apps using the Telerik framework. Information Quality Standards, Business 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. Telerik provided fixes to Sitecore as custom updates for assembly versions that are compatible with Sitecore CMS/XP. 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. CISA, Privacy An overview of the vulnerability, its exploitation and proof of concept code, which the actor leveraged, is available from Bishop Fox6. (As of 2020.1.114, a default setting prevents the exploit. 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 … Environmental Please let us know. Delivering actionable recommendations using the best technology and expertise available. Sign up to receive periodic news, reports, and invitations from Kroll. 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. CVE-2019-18935 is a vulnerability discovered in 2019 by researchers at Bishop Fox, in the RadAsyncUpload file handler in Telerik UI for ASP.net AJAX, a commonly-used suite of web application UI components. This gives attackers the ability to execute software, code or webshells indiscriminately within the webservice. The issues were fixed in Telerik's public assemblies starting from 2017.2.711. 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. Copyright © 2020 Kroll All Rights Reserved. Kroll is headquartered in New York with offices around the world. referenced, or not, from this page. Another client had cryptomining software deployed in their environment. 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. The client assessed that the Telerik vulnerability had been exploited to introduce the malicious script. 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’s analysis of identified files revealed a range of capabilities across different impacted systems from code injection and remote access to credential harvesting. Are we missing a CPE here? OVERVIEW: A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.) Webmaster | Contact Us The Telerik UI CVE-2019-18935 vulnerability, per reports, has been widely let known as the one that is employed to embed web shells on servers. 6 CVE-2015-2264 +Priv 2015-03-12: 2015-03-13 Sitefinity 13.0.7300 is using Telerik.Web.UI version 2020.1.114 which is not vulnerable against arbitrary file upload. A vulnerability in Telerik UI for ASP.NET could allow for arbitrary code execution. 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. 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. Sorry, something went wrong. Last updated 22 May 2020 The Australian Cyber Security Centre (ACSC) has become aware that sophisticated actors have been scanning for and attempting exploitation against unpatched versions of Telerik UI for ASP.NET AJAX using publicly-available exploits. Fixed in version 5.0.20204. For internal teams burdened with a host of other priorities and a remote workforce, support from dedicated experts who have the frontline expertise, resources and technical skills to assess your exposure can greatly reduce your risk profile. In this instance, third-party vendor software should be updated and remain in contact to ensure the vendor is aware. 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. 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. 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. 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. inferences should be drawn on account of other sites being The vulnerability is brought about by the insecure deserialization of JSON objects, which can lead to remote code execution on the host. One is a potential remote code execution (RCE) vulnerability … Security Vulnerability Bulletin: Telerik Web UI Controls by Takeshi Eto July 17th, 2020 We posted this content over on our DiscountASP.NET Blog but we port it over here because we want all our customers to know about a recent rise of hacking activities associated with the Telerik Web UI Control. The vulnerability, which is outlined in CVE-2019-18935, involves a .NET deserialization vulnerability in the software that allows for remote code execution. In another investigation, a Kroll client started receiving complaints from customers whose banks informed them that fraudulent charges were originating from the client organization. Successful exploitation of this vulnerability could allow for remote code execution within the context of a privileged process. 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. Figure 1 - Sectors Most Often Impacted by Telerik Exploits. 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. 02/05/2020. Update Telerik UI to the latest version available. Denotes Vulnerable Software Please try again later! 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. As of R1 2017, the Encrypt-then-MAC approach is implemented, in order to improve the integrity of the encrypted temporary and target folders. CWE-326: Inadequate Encryption Strength - CVE-2017-9248. | FOIA | | Science.gov 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. Policy | Security Fear Act Policy, Disclaimer Statement | Privacy The victim must interactively choose the Open On Browser option. 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.”. NIST does Overview The Telerik Component present in older versions of DNN has a series of known vulnerabilities: CVE-2017-11317, CVE-2017-11357, CVE-2014 … I would like to receive periodic news, reports, and invitations from Kroll, a Duff & Phelps. Telerik is also included with third-party software, such as the last case Kroll worked on. Sign in or Create an account to bookmark this page. endorse any commercial products that may be mentioned on 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. 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. USA | Healthcare.gov            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 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. 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. may have information that would be of interest to you. The victim must interactively choose the Open On Browser option. 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. +1 212 593 1000. sites that are more appropriate for your purpose. Talk to a Kroll expert today via our 24x7 hotlines or contact form. Versions R2 2017 (2017.2.503) and prior are vulnerable. 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. Please address comments about this page to nvd@nist.gov. Calculator CVSS USGCB, US-CERT Security Operations Center Email: soc@us-cert.gov Phone: Disclaimer | Scientific | USA.gov, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, Information We have provided these links to other web sites because they 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.”. The state-based actor behind an attack on Australian public and private sector organisations used unpatched vulnerabilities in Telerik UI, … Our privacy policy describes how your data will be processed. not necessarily endorse the views expressed, or concur with 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. Further, NIST does not Solution Upgrade to Telerik UI for ASP.NET AJAX version R2 2017 SP2 (2017.2.711) or later. Validated Tools SCAP Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. 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. An issue was discovered in Progress Telerik UI for Silverlight before 2020.1.330. “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. Which is outlined in CVE-2019-18935, involves a.NET deserialization vulnerability in Telerik UI for AJAX! Execute arbitrary code execution the exploit popular threat types investigated by our cyber.. An open-source server-side web-application framework designed for web development to produce dynamic web pages the RadAsyncUpload function related the... Telerik UI vulnerability appropriately sanitizing input to the affected application element the group conducted a cryptocurrency campaign. 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