Vulnerability identifier: #VU41974

Vulnerability risk: High

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2013-4710

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Android 3.0 through 4.1.x on Disney Mobile, eAccess, KDDI, NTT DOCOMO, SoftBank, and other devices does not properly implement the WebView class, which allows remote attackers to execute arbitrary methods of Java objects or cause a denial of service (reboot) via a crafted web page, as demonstrated by use of the WebView.addJavascriptInterface method, a related issue to CVE-2012-6636.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 3.0 - 3.2.6, 4.0 - 4.1.2

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External links
http://50.56.33.56/blog/?p=314
http://emobile.jp/products/sh/a01sh/systemsoftware.html
http://jvn.jp/en/jp/JVN53768697/113349/index.html
http://jvn.jp/en/jp/JVN53768697/397327/index.html
http://jvn.jp/en/jp/JVN53768697/995293/index.html
http://jvn.jp/en/jp/JVN53768697/995312/index.html
http://jvn.jp/en/jp/JVN53768697/995417/index.html
http://jvn.jp/en/jp/JVN53768697/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000111
http://openwall.com/lists/oss-security/2014/02/18/11

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.