#VU40490 Information disclosure in Google Android - CVE-2016-0811

Vulnerability identifier: #VU40490

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-0811

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Integer overflow in the BnCrypto::onTransact function in media/libmedia/ICrypto.cpp in libmediaplayerservice in Android 6.x before 2016-02-01 allows attackers to obtain sensitive information, and consequently bypass an unspecified protection mechanism, by triggering an improper size calculation, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 25800375.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 6.0 - 6.0.1

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External links
https://source.android.com/security/bulletin/2016-02-01.html
https://android.googlesource.com/platform%2Fframeworks%2Fav/+/22f824feac43d5758f9a70b77f2aca840ba62c3b

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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.