Vulnerability identifier: #VU4749
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-310
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Google Android
Operating systems & Components /
Operating system
Vendor: Google
Description
The vulnerability allows a renote attacker to bypass security restriction on the target system.
The weakness is due to the use of an incorrect offset value by the engineNextBytes function in Apache Harmony, as used in the Java Cryptography Architecture (JCA) in Android . A remote attacker can leverage the resulting PRNG predictability, defeat cryptographic protection mechanisms and launch further attacks on the system.
Successful exploitation of the vulnerablity results in security bypass on the vulnerable system.
Mitigation
Update to version 4.4.
Vulnerable software versions
Google Android: 4.0 - 4.3.1
External links
http://android-developers.googleblog.com/2013/08/some-securerandom-thoughts.html
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.