CVE-2020-0009

medium

Description

In calc_vm_may_flags of ashmem.c, there is a possible arbitrary write to shared memory due to a permissions bypass. This could lead to local escalation of privilege by corrupting memory shared between processes, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-142938932

References

https://source.android.com/security/bulletin/2020-01-01

https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html

http://packetstormsecurity.com/files/155903/Android-ashmem-Read-Only-Bypasses.html

Details

Source: Mitre, NVD

Published: 2020-01-08

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium