Use-after-free in Google, Google Android

1) Use-after-free

EUVDB-ID: #VU36966

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-2018-5831

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

In the KGSL driver 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, a reference counting error can lead to a Use After Free condition.

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/2018-06-01#qualcomm-components
https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=e3e13d745238ad8853af47c2d938344ea8d3c77f
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.