Critical severity · published Jul 3, 2017
CVE-2017-9248
Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability
In wildKEV
9.8
CVSS
75.1%
EPSS
Yes
On KEV
Description
Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)75.1% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
SI
Sitefinity · Progress
before 10.0.6412.0 · source: NVD
UF
UI For Asp.net Ajax · Telerik
through 2017.2.503 · source: NVD
AA
ASP.NET AJAX and Sitefinity · Progress
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9248
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness
exploit
https://www.exploit-db.com/exploits/43873/
x_refsource_CONFIRM
http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity
vdb-entry
http://www.securityfocus.com/bid/99965
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