Out-of-bounds write in Google, Google Android

1) Out-of-bounds write

EUVDB-ID: #VU37240

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-13250

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In ih264d_fmt_conv_420sp_to_420p of ih264d_utils.c, there is an out of bound write due to a missing out of bounds check because of a multiplication error. This could lead to an remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-71375536.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 6.0 - 8.1

CPE2.3

• cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/bid/103255
https://source.android.com/security/bulletin/2018-03-01

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.