Input validation error in Google, Google Android

1) Input validation error

EUVDB-ID: #VU43286

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-4221

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Integer overflow in diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode driver for Android 2.3 through 4.2 allows attackers to execute arbitrary code or cause a denial of service via an application that uses crafted arguments in a local diagchar_ioctl call.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 2.3 - 4.2

CPE2.3

• cpe:2.3:o:google:android:2.3.7:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:3.2.6:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*

External links

http://www.kb.cert.org/vuls/id/702452
http://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012

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.