Auth bypass in Google Android
CVE-2018-9492
In checkGrantUriPermissionLocked of ActivityManagerService.java, there is a possible permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0 Android-8.1 Android-9.0 Android ID: A-111934948
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android — versions 8.0, 8.1, 9.0
- Google Inc. Android — versions Android-8.0 Android-8.1 Android-9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/security/bulletin/2018-10-01,
- www.securityfocus.com/bid/105484 (VDB Entry, Third Party Advisory, vdb-entry)
- android.googlesource.com/platform/frameworks/base/+/962fb40991f15be4f688d960aa0… (Patch)
Frequently asked questions
- What is CVE-2018-9492?
- CVE-2018-9492 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2018-10-02.
- How severe is CVE-2018-9492?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-9492 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.