Out-of-bounds write in Google, Google Android

1) Out-of-bounds write

EUVDB-ID: #VU35741

Risk: High

CVSSv4.0: 7.3 [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:P/U:Amber]

CVE-ID: CVE-2019-2107

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

Exploit availability: Yes

Description

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

In ihevcd_parse_pps of ihevcd_parse_headers.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-130024844.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 7.0 - 9.0

CPE2.3

• cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://packetstormsecurity.com/files/153628/Android-VideoPlayer-ihevcd_parse_pps-Out-Of-Bounds-Write.html
https://seclists.org/fulldisclosure/2019/Jul/18
https://source.android.com/security/bulletin/2019-07-01

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. However, proof of concept for this vulnerability is available.