Out-of-bounds read in Google, Google Android

1) Out-of-bounds read

EUVDB-ID: #VU36976

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5895

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local authenticated user to gain access to sensitive information.

Buffer over-read may happen in wma_process_utf_event() due to improper buffer length validation before writing into param_buf->num_wow_packet_buffer 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://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin

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.