PT-2018-1956 · Google · Android

Published 2018-10-09 · Updated 2019-11-13 · CVE-2018-9547

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 8.1 through 9

Description The issue is related to improper input validation in the unflatten function of GraphicBuffer.cpp. This could lead to a bad file descriptor close, resulting in local escalation of privilege in the system server. No additional execution privileges are needed, and user interaction is not required for exploitation.

Recommendations For Android versions 8.1 through 9, update to a version that includes the fix for the improper input validation in the unflatten function of GraphicBuffer.cpp. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

CWE-115

Related Identifiers

BDU:2018-01563

CVE-2018-9547

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/2018-12-01 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01563 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-9547 · Security Note
• https://osv.dev/vulnerability/CVE-2018-9547 · Vendor Advisory
• http://securityfocus.com/bid/106067 · Note