CVE-2012-6636

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-03-03 · updated 2026-06-16
Weakness: CWE-264

Description

The Android API before 17 does not properly restrict the WebView.addJavascriptInterface method, which allows remote attackers to execute arbitrary methods of Java objects by using the Java Reflection API within crafted JavaScript code that is loaded into the WebView component in an application targeted to API level 16 or earlier, a related issue to CVE-2013-4710.

Affected products

Google Android Api: through 16.0; 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 (+9)

References

http://50.56.33.56/blog/?p=314
http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#JELLY_BEAN_MR1
http://developer.android.com/reference/android/webkit/WebView.html#addJavascriptInterface%28java.lang.Object%2C%20java.lang.String%29
http://jvn.jp/en/jp/JVN62161191/index.html
http://openwall.com/lists/oss-security/2014/02/07/9
http://www.cs.utexas.edu/~shmat/shmat_ndss14nofrak.pdf
http://www.internetsociety.org/ndss2014/programme#session3
https://support.lenovo.com/us/en/product_security/len_6421
http://50.56.33.56/blog/?p=314
http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#JELLY_BEAN_MR1
http://developer.android.com/reference/android/webkit/WebView.html#addJavascriptInterface%28java.lang.Object%2C%20java.lang.String%29
http://jvn.jp/en/jp/JVN62161191/index.html

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