Vulnerability in Google Android
CVE-2018-9539
In the ClearKey CAS descrambler, there is a possible use after free due to a race condition. 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. Android ID: A-113027383
Vulnerability class: Race Condition
EPSS: 0.004 (28.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 8.0, 8.1, 9.0
- Google Inc. Android — versions 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-2018-9539?
- CVE-2018-9539 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2018-11-14.
- How severe is CVE-2018-9539?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2018-9539 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.