XML External Entity injection in hutool - CVE-2023-3276
Published: June 19, 2023
Vulnerability identifier: #VU77524
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-3276
CWE-ID: CWE-611
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
hutool
hutool
Software vendor:
Dromara
Dromara
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 in the readBySax function. A remote user on the local network 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.
Remediation
Install updates from vendor's website.