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Last updated: 5/29/2016 6:40:05 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-2357

Original release date: 08/12/2011
Last revised: 09/21/2011


Cross-application scripting vulnerability in the Browser URL loading functionality in Android 2.3.4 and 3.1 allows local applications to bypass the sandbox and execute arbitrary Javascript in arbitrary domains by (1) causing the MAX_TAB number of tabs to be opened, then loading a URI to the targeted domain into the current tab, or (2) making two startActivity function calls beginning with the targeted domain's URI followed by the malicious Javascript while the UI focus is still associated with the targeted domain.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

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External Source: XF
Name: android-sandbox-cas(68937)
External Source: FULLDISC
Name: 20110802 Android Browser Cross-Application Scripting (CVE-2011-2357)
Type: Patch Information; Exploit
External Source: BID
Name: 48954
External Source: MISC
Name: http://blog.watchfire.com/wfblog/2011/08/android-browser-cross-application-scripting-cve-2011-2357.html
External Source: SECTRACK
Name: 1025881
External Source: MISC
Name: http://www.infsec.cs.uni-saarland.de/projects/android-vuln/android_xss.pdf
External Source: MISC
Name: http://blog.watchfire.com/files/advisory-android-browser.pdf
External Source: CONFIRM
Name: http://android.git.kernel.org/?p=platform/packages/apps/Browser.git;%20a=commit;h=afa4ab1e4c1d645e34bd408ce04cadfd2e5dae1e
Type: Patch Information
External Source: CONFIRM
Name: http://android.git.kernel.org/?p=platform/packages/apps/Browser.git;%20a=commit;h=096bae248453abe83cbb2e5a2c744bd62cdb620b
Type: Patch Information
External Source: BUGTRAQ
Name: 20110802 Android Browser Cross-Application Scripting (CVE-2011-2357)
External Source: CONFIRM
Name: http://android.git.kernel.org/?p=platform/cts.git;a=commit;h=7e48fb87d48d27e65942b53b7918288c8d740e17
Type: Patch Information
External Source: SREASON
Name: 8335
External Source: MISC
Name: http://www.infsec.cs.uni-saarland.de/projects/android-vuln/

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