XML External Entity injection in Hazelcast



| Updated: 2023-07-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0265
CWE-ID CWE-611
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Hazelcast
Server applications / Other server solutions

Vendor Hazelcast

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) XML External Entity injection

EUVDB-ID: #VU69493

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-0265

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

Exploit availability: Yes

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 AbstractXmlConfigRootTagRecognizer() function. A remote 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

Hazelcast: before 4.1.10, 5.1 BETA-1, 4.1.10

CPE2.3 External links

https://github.com/hazelcast/hazelcast/commit/4d6b666cd0291abd618c3b95cdbb51aa4208e748
https://huntr.dev/bounties/d63972a2-b910-480a-a86b-d1f75d24d563


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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