#VU36978 Out-of-bounds read in Google Android - CVE-2018-5897

Vulnerability identifier: #VU36978

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-2018-5897

CWE-ID: CWE-125

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.

While reading the data from buffer in dci_process_ctrl_status() there can be buffer over-read problem if the len is not checked correctly in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

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External links
https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-components

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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.