#VU21092 Type Confusion in Google Android - CVE-2018-9568

Vulnerability identifier: #VU21092

Vulnerability risk: High

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:Amber]

CVE-ID: CVE-2018-9568

CWE-ID: CWE-843

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a type confusion error in the sk_clone_lock() function in sock.c. A local user can run a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Google Android: 9.0

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External links
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/core/sock.c?id=9d538fa...
https://source.android.com/security/bulletin/2018-12-01

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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.