CWE
189 190
Advisory Published
Updated

CVE-2012-4221: Integer Overflow

First published: Fri Nov 30 2012(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Android=2.3
Android=2.3-rev1
Android=2.3.1
Android=2.3.2
Android=2.3.3
Android=2.3.4
Android=2.3.5
Android=2.3.6
Android=2.3.7
Android=3.0
Android=3.1
Android=3.2
Android=3.2.1
Android=3.2.2
Android=3.2.4
Android=3.2.6
Android=4.0
Android=4.0.1
Android=4.0.2
Android=4.0.3
Android=4.0.4
Android=4.1
Android=4.2

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Frequently Asked Questions

  • What is the severity of CVE-2012-4221?

    CVE-2012-4221 is classified as a high severity vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2012-4221?

    To fix CVE-2012-4221, update the Android operating system to a version that addresses this vulnerability.

  • What systems are affected by CVE-2012-4221?

    CVE-2012-4221 affects Android versions 2.3 through 4.2, including several specific releases.

  • What kind of attack can exploit CVE-2012-4221?

    CVE-2012-4221 can be exploited to execute arbitrary code or cause a denial of service through crafted arguments in a local diagchar_ioctl call.

  • Is there a workaround for CVE-2012-4221?

    There are no known effective workarounds for CVE-2012-4221; the best mitigation is to update to an unaffected version.

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