#VU34065 Permissions, Privileges, and Access Controls in RAM Disk


Published: 2020-08-05

Vulnerability identifier: #VU34065

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
RAM Disk
Client/Desktop applications / Other client software

Vendor: SoftPerfect

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.


Latest bulletins with this vulnerability