Progress Telerik UI for ASP.NET AJAX/Sitefinity Telerik.Web.UI.dll cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Progress Telerik UI for ASP.NET AJAX and Sitefinity. It has been rated as critical. Affected by this issue is some unknown functionality in the library Telerik.Web.UI.dll. Performing a manipulation results in cryptographic issue. This vulnerability is known as CVE-2017-9248. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Progress Telerik UI for ASP.NET AJAX and Sitefinity (version unknown). This affects an unknown function in the library Telerik.Web.UI.dll. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 06/26/2017. The weakness was published 07/03/2017 (Website). The advisory is shared at telerik.com. This vulnerability is uniquely identified as CVE-2017-9248 since 05/28/2017. 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 and a public exploit are known. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 101159 (Telerik UI for ASP.NET AJAX Cryptographic Weakness), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13144 (Progress Telerik UI Cryptographic Security Bypass Vulnerability). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43873), Tenable (101159) and SecurityFocus (BID 99965†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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Nessus ID: 101159
Nessus Name: Telerik UI for ASP.NET AJAX Cryptographic Weakness
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/28/2017 🔍
06/21/2017 +24 days 🔍
06/26/2017 +5 days 🔍
06/30/2017 +4 days 🔍
07/03/2017 +3 days 🔍
07/03/2017 +0 days 🔍
07/04/2017 +1 days 🔍
07/26/2017 +22 days 🔍
09/09/2024 +2602 days 🔍

Sourcesinfo

Advisory: telerik.com
Researcher: Erlend Leiknes
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9248 (🔍)
GCVE (CVE): GCVE-0-2017-9248
GCVE (VulDB): GCVE-100-103005
SecurityFocus: 99965 - Telerik Web UI CVE-2017-9248 Cryptographic Security Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2017 08:00
Updated: 09/09/2024 22:29
Changes: 07/04/2017 08:00 (67), 10/22/2019 06:39 (8), 12/30/2020 13:15 (3), 04/19/2024 10:56 (28), 07/25/2024 17:46 (1), 09/09/2024 22:29 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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