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Last updated: Sun Nov 22 16:44:45 EST 2009

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National Cyber-Alert System

Vulnerability Summary for CVE-2009-1754

Original release date:05/26/2009
Last revised:06/18/2009
Source: US-CERT/NIST

Overview

The PackageManagerService class in services/java/com/android/server/PackageManagerService.java in Android 1.5 through 1.5 CRB42 does not properly check developer certificates during processing of sharedUserId requests at an application's installation time, which allows remote user-assisted attackers to access application data by creating a package that specifies a shared user ID with an arbitrary application.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://www.ocert.org/advisories/ocert-2009-006.html
Type: Patch Information
Hyperlink:http://www.ocert.org/advisories/ocert-2009-006.html
External Source: CONFIRM
Name: http://android.git.kernel.org/?p=platform/frameworks/base.git;a=commit;h=5d6d773fab559fdc12e553d60d789f3991ac552c
Type: Advisory; Patch Information
Hyperlink:http://android.git.kernel.org/?p=platform/frameworks/base.git;a=commit;h=5d6d773fab559fdc12e553d60d789f3991ac552c
External Source: BID
Name: 35090
Hyperlink:http://www.securityfocus.com/bid/35090
External Source: BUGTRAQ
Name: 20090522 [oCERT-2009-006] Android improper package verification when using shared uids
Hyperlink:http://www.securityfocus.com/archive/1/503770
External Source: MLIST
Name: [oss-security] 20090522 [oCERT-2009-006] Android improper package verification when using shared uids
Hyperlink:http://www.openwall.com/lists/oss-security/2009/05/22/14

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:android:android:1.5
spacerspacerNav control image* cpe:/a:android:android:1.5_crb42
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1754