Privilege escalation in Infinispan

1) Unsafe reflection

EUVDB-ID: #VU22827

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10174

CWE-ID: CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Infinispan uses an insecure invokeAccessibly method from ReflectionUtil class that allows to invoke other private methods. A local user can abuse this functionality to execute arbitrary code on the system with privileges of Infinispan process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Infinispan: 4.0.0 - 9.4.16

External links

http://bugzilla.redhat.com/show_bug.cgi?id=1703469
http://access.redhat.com/security/cve/CVE-2019-10174

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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