Vulnerability identifier: #VU6113

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-0227

CWE-ID: CWE-704

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to invalid type conversion issue in the use of IOMobileFrameBuffer queueing primitives. A local attacker can execute a specially crafted application and execute arbitrary code with SYSTEM privileges.

Successful exploitation of the vulnerability may result in compromise of vulnerable system.

Mitigation
Update iOS to version 4.3.4.

Vulnerable software versions

Apple iOS: 4.3.0 - 4.3.4, 4.2.1 - 4.2.8, 4.0 - 4.0.2, 3.2 - 3.2.2, 3.1 - 3.1.3, 3.0 - 3.0.1

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External links
http://support.apple.com/en-us/HT202272

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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.