#VU47477 Out-of-bounds read in Google Android - CVE-2020-11125


Vulnerability identifier: #VU47477

Vulnerability risk: Medium

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

CVE-ID: CVE-2020-11125

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 attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the mhi_process_data_event_ring() function in drivers/bus/mhi/core/mhi_main.c file within the Qualcomm MHI bus driver. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Affected components: msm kernel 4.9 and msm kernel 4.14.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 8.1, 9.0, 10 - 11


External links
https://source.android.com/security/bulletin/2020-10-01
https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=146e6bb29827f0d3d1fb05ed980400bb53af13c2
https://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=5e62fe09e56dd7dca54335ca8d4eb2be5c62cc37


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.


Latest bulletins with this vulnerability