XML External Entity injection in Progress Telerik Report Server

Published: 2024-05-31 | Updated: 2024-08-30

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-4357 CVE-2024-4358
CWE-ID	CWE-611 CWE-290
Exploitation vector	Network
Public exploit	Vulnerability #2 is being exploited in the wild.
Vulnerable software Subscribe	Report Server Server applications / Other server solutions
Vendor	Progress Telerik

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 10.06.2024

Added vulnerability #2

1) XML External Entity injection

EUVDB-ID: #VU90127

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4357

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input within the implementation of ValidateMetadaUri method. A remote user can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Report Server: 10.0.24.305

External links

http://docs.telerik.com/report-server/knowledge-base/xxe-vulnerability-cve-2024-4357
http://www.zerodayinitiative.com/advisories/ZDI-24-518/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Authentication Bypass by Spoofing

EUVDB-ID: #VU91592

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2024-4358

CWE-ID: CWE-290 - Authentication Bypass by Spoofing

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the lack of validating the current installation step within the implementation of the Register method. A remote attacker can bypass authentication on the system.