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CVE-2018-17060: Improper Access Control in Telerik Extensions

5.3

CVSS Score
3.1

Basic Information

EPSS Score
0.3975%
Published
5/13/2022
Updated
1/27/2023
KEV Status
No
Technology
TechnologyC#

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
TelerikMvcExtensionsnuget<= 2013.1.219

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability stems from missing request whitelisting in file handling mechanisms. In ASP.NET MVC architectures, file controller actions are common attack vectors for path traversal. While exact implementation details aren't available, the CWE-284 classification and Telerik's security alert indicate a pattern where the Download action in FileController would process requests without proper access validation. This matches the described attack vector of accessing web directory files through unvalidated requests.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

T*l*rik *xt*nsions *or *SP.N*T MV* (*ll v*rsions) *o*s not w*it*list r*qu*sts, w*i** **n *llow * r*mot* *tt**k*r to ****ss *il*s insi** t** s*rv*r's w** *ir**tory. NOT*: t*is pro*u*t **s ***n o*sol*t* sin** Jun* ****.

Reasoning

T** vuln*r**ility st*ms *rom missin* r*qu*st w*it*listin* in *il* **n*lin* m****nisms. In *SP.N*T MV* *r**it**tur*s, *il* *ontroll*r **tions *r* *ommon *tt**k v**tors *or p*t* tr*v*rs*l. W*il* *x**t impl*m*nt*tion **t*ils *r*n't *v*il**l*, t** *W*-**