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7.2
CVSSv2

CVE-2011-1823

Published: 09/06/2011 Updated: 07/11/2023
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
VMScore: 642
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
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Vulnerability Summary

The vold volume manager daemon on Android 3.0 and 2.x prior to 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.

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google android 3.0

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google android 2.2.1

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google android 2.3.2

References

CWE-189http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/http://forum.xda-developers.com/showthread.php?t=1044765http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.htmlhttp://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/https://exchange.xforce.ibmcloud.com/vulnerabilities/67977http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836fhttp://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352ehttps://nvd.nist.gov
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