Auth bypass in Google Android
CVE-2018-9548
In multiple functions of ContentProvider.java, there is a possible permission bypass due to a missing URI validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112555574.
Vulnerability class: Broken Access Control
EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android — versions 7.0, 7.1.1, 7.1.2
- Google Inc. Android — versions Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-9548?
- CVE-2018-9548 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 5.5/10. Published 2018-12-06.
- How severe is CVE-2018-9548?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-9548 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.