Multiple vulnerabilities in SoftPerfect RAM Disk

Published: 2020-08-05

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-13522 CVE-2020-13523
CWE-ID	CWE-264 CWE-200
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	RAM Disk Client/Desktop applications / Other client software
Vendor	SoftPerfect

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU34065

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13522

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions in the "spvve.sys" driver. A local user can send a specially crafted I/O request packet (IRP) and delete any file on the filesystem.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RAM Disk: 4.1

External links

http://talosintelligence.com/vulnerability_reports/TALOS-2020-1121

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.

2) Information disclosure

EUVDB-ID: #VU34066

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13523

CWE-ID: CWE-200 - Information exposure