#VU61689 XML External Entity injection in CVRF-CSAF-Converter - CVE-2022-27193

Vulnerability identifier: #VU61689

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-27193

CWE-ID: CWE-611

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CVRF-CSAF-Converter
Web applications / Modules and components for CMS

Vendor: csaf-tools

Description

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

The vulnerability exists due to insufficient validation of user-supplied XML input. A local attacker 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

CVRF-CSAF-Converter: 1.0.0 alpha - 1.0.0 rc1

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External links
https://github.com/csaf-tools/CVRF-CSAF-Converter/releases/tag/1.0.0-rc2

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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