#VU28271 Out-of-bounds read in Google Android - CVE-2020-0093

Vulnerability identifier: #VU28271

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-0093

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a missing bounds check in "exif_data_save_data_entry" of "exif-data.c" file within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 8.1, 9.0, 10

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External links
https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
https://source.android.com/security/bulletin/2020-05-01
https://android.googlesource.com/platform/external/libexif/+/0335ffc17f9b9a4831c242bb08ea92f605fde7a6

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.