Race condition in Google, Google Android

1) Race condition

EUVDB-ID: #VU34520

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-21086

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

An issue was discovered on Samsung mobile devices with L(5.x), M(6.0), and N(7.x) software. There is a race condition with a resultant double free in vnswap_init_backing_storage. The Samsung ID is SVE-2017-11177 (February 2018).

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 5.0 - 7.1.2

CPE2.3

• cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*

External links

http://security.samsungmobile.com/securityUpdate.smsb

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.