Information disclosure in Synaptics TouchPad

1) Information disclosure

EUVDB-ID: #VU17359

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15532

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to invalidly formatted API requests can cause SynTP.sys to reveal freed kernel memory pointers.. A local attacker can read portions of kernel memory that can be used to weaken KASLR and gain elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TouchPad: All versions

External links

http://www.synaptics.com/sites/default/files/touchpad-driver-security-brief-20190124.pdf

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.