Privilege escalation in Check Point ZoneAlarm



Published: 2019-01-25
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-94
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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ZoneAlarm
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Check Point Software Technologies

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Code injection

EUVDB-ID: #VU17212

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a local low-privileged attacker to gain elevated privileges on the target system.

The weakness exists due to insecure implementation of inter-process communications within the ZoneAlarm application itself. A local attacker can hijack the insecure communications with a vulnerable .NET service that is running with SYSTEM-level privileges, inject and execute arbitrary code to bypass privilege restrictions and gain full control of the system.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ZoneAlarm: All versions

External links

http://github.com/illumant/ZoneAlarmExploit
http://www.illumant.com/blog/2019/01/16/check-point-anti-virus-technical-white-paper/


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. However, proof of concept for this vulnerability is available.



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