Use-after-free in Google, Google Android

1) Use-after-free

EUVDB-ID: #VU37247

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13257

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

In bta_pan_data_buf_ind_cback of bta_pan_act.cc there is a use after free that can result in an out of bounds read of memory allocated via malloc. This could lead to information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-67110692.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 5.1.1 - 8.1

CPE2.3

• cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*

External links

http://www.securityfocus.com/bid/103253
http://source.android.com/security/bulletin/2018-03-01

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.