CVE-2020-0009

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

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/155903/Android-ashmem-Read-Only-Bypasses.html	Patch Third Party Advisory VDB Entry
https://source.android.com/security/bulletin/2020-01-01	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2020-01-08 08:15

Updated : 2022-10-13 19:33

NVD link : CVE-2020-0009

Mitre link : CVE-2020-0009

JSON object : View

CWE

CWE-276

Incorrect Default Permissions

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Products Affected

debian

debian_linux

google

android

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