PT-2018-1603 · Google · Android

Published 2018-08-07 · Updated 2020-08-24 · CVE-2018-9492

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 8.0 through 9.0

Description The issue is related to a permissions bypass in the checkGrantUriPermissionLocked function of ActivityManagerService.java. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation. The vulnerability is associated with inadequate access control and can be exploited by an attacker to elevate their privileges using a specially crafted file.

Recommendations For Android versions 8.0 through 9.0, update to a version that includes a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Improper Privilege Management

Weakness Enumeration

CWE-863

CWE-269

Related Identifiers

BDU:2018-01162

CVE-2018-9492

Affected Products

Android

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2018-9492 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/962fb40991f15be4f688d960aa00073683ebdd20 · Patch
• https://bdu.fstec.ru/vul/2018-01162 · Security Note
• https://osv.dev/vulnerability/CVE-2018-9492 · Vendor Advisory
• http://securityfocus.com/bid/105484 · Note
• https://source.android.com/security/bulletin/2018-10-01 · Note
• https://source.android.com/security/bulletin/2018-10-01%2C · Note