CVE-2011-1823

HIGH KEV

Android <2.3.4 - Privilege Escalation

Title source: llm

Description

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.

References (10)

[Broken Link] http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6

[Broken Link] http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836f

[Broken Link] http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352e

[Broken Link] http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/

[Exploit, Issue Tracking] http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html

[Exploit, Issue Tracking] http://forum.xda-developers.com/showthread.php?t=1044765

[Press/Media Coverage] http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/

[Exploit] http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/67977

[Third Party Advisory, US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1823

Scores

CVSS v3 7.8

EPSS 0.3834

EPSS Percentile 97.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2022-09-08

VulnCheck KEV 2021-08-17

ENISA EUVD EUVD-2011-1821

CWE

CWE-190

Status published

Products (2)

google/android 3.0

google/android 2.0 - 2.3.4

Published Jun 09, 2011

KEV Added Sep 08, 2022

Tracked Since Feb 18, 2026