Out-of-bounds write in Google, Google Android

1) Out-of-bounds write

EUVDB-ID: #VU37327

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14876

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 msm_ispif_config_stereo() in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-06-21, the parameter params->entries[i].vfe_intf comes from userspace without any bounds check which could potentially result in a kernel out-of-bounds write.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

External links

http://source.android.com/security/bulletin/pixel/2018-02-01
http://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=f26dbd9d9491333766ba383044064b1304127ac0

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.