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Vulnerability Details : CVE-2011-1823

The vold volume manager daemon on Android 3.0 and 2.x before 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.
Publish Date : 2011-06-09 Last Update Date : 2012-04-25
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access Admin
Vulnerability Type(s) Execute CodeGain privilegesMemory corruptionBypass a restriction or similar
CWE ID 189

- Products Affected By CVE-2011-1823

# Product Type Vendor Product Version Update Edition Language
1 OS Google Android 2.1 Version Details Vulnerabilities
2 OS Google Android 2.2 Version Details Vulnerabilities
3 OS Google Android 2.2 Rev1 Version Details Vulnerabilities
4 OS Google Android 2.2.1 Version Details Vulnerabilities
5 OS Google Android 2.2.2 Version Details Vulnerabilities
6 OS Google Android 2.2.3 Version Details Vulnerabilities
7 OS Google Android 2.3 Rev1 Version Details Vulnerabilities
8 OS Google Android 2.3.1 Version Details Vulnerabilities
9 OS Google Android 2.3.2 Version Details Vulnerabilities
10 OS Google Android 2.3.3 Version Details Vulnerabilities
11 OS Google Android 3.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Google Android 11

- References For CVE-2011-1823

http://android.git.kernel.org/?p=platform/system/vold.git;a=commit;h=c51920c82463b240e2be0430849837d6fdc5352e CONFIRM
http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/
http://xforce.iss.net/xforce/xfdb/67977
XF android-vold-priv-escalation(67977)
http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/
http://forum.xda-developers.com/showthread.php?t=1044765
http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html
http://android.git.kernel.org/?p=platform/system/core.git;a=commit;h=b620a0b1c7ae486e979826200e8e441605b0a5d6 CONFIRM
http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/
http://android.git.kernel.org/?p=platform/system/netd.git;a=commit;h=79b579c92afc08ab12c0a5788d61f2dd2934836f CONFIRM

- Metasploit Modules Related To CVE-2011-1823

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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