Input validation error in Google, Google Android

1) Input validation error

EUVDB-ID: #VU36974

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5890

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

If the fdt_totalsize is reported as 0 for the current device tree, it bypasses an error check for a valid device tree in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

CPE2.3

• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-components
https://source.codeaurora.org/quic/la/abl/tianocore/edk2/commit/?id=c9c8de8000ff32f8d1e24e697d861d92d8ed0b7a

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.