PT-2020-11760 · Google · Android

Published 2020-11-01 · Updated 2021-07-21 · CVE-2020-0409

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-8.0 through Android-10

Description In the create function of FileMap.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-8.0 through Android-10, update to a version that includes the fix for the integer overflow issue in FileMap.cpp. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Memory Corruption

Weakness Enumeration

CWE-190

CWE-787

Related Identifiers

ASB-A-156997193

CVE-2020-0409

Affected Products

Android

References · 11

• https://osv.dev/vulnerability/ASB-A-156997193 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-0409 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-0409 · Vendor Advisory
• https://source.android.com/security/bulletin/2020-11-01 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-0409 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-0409 · Security Note
• https://ubuntu.com/security/CVE-2020-0409 · Vendor Advisory
• https://android.googlesource.com/platform/system/core/+/bff51b88aaf96279c58edb812be0bda2fcaf4967 · Note
• https://t.me/cibsecurity/16069 · Telegram Post
• https://t.me/cvenotify/5436 · Telegram Post
• https://t.me/cvenotify/5749 · Telegram Post