Information disclosure in Google, Google Android

1) Information disclosure

EUVDB-ID: #VU41738

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-7373

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Android before 4.4 does not properly arrange for seeding of the OpenSSL PRNG, which makes it easier for attackers to defeat cryptographic protection mechanisms by leveraging use of the PRNG within multiple applications.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 1.0 - 4.3

CPE2.3

• cpe:2.3:o:google:android:1.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://android-developers.blogspot.com.au/2013/08/some-securerandom-thoughts.html
https://emboss.github.io/blog/2013/08/21/openssl-prng-is-not-really-fork-safe/
https://marc.info/?l=openssl-dev&m=130289811108150&w=2
https://marc.info/?l=openssl-dev&m=130298304903422&w=2
https://www.reddit.com/r/Android/comments/1k6f03/due_to_a_serious_encryptionrng_flaw_in_android/cblvum5

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.