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7.0

Android may skip app verification, allowing privilege gain

CVE-2018-9586 · published 7 years ago
Summary

Certain versions of Android can fail to re‑enable the check that verifies apps before they are installed. This mistake can let a malicious app gain higher system rights without the user noticing. Update the device or apply the latest security patch from the manufacturer to restore proper verification.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
google android 7.0
7.1.1
7.1.2
8.0
8.1
9.0
cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
Original advisory text
In run of InstallPackageTask.java in Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1 and Android-9, it is possible that package verification is turned off and remains off due to...
In run of InstallPackageTask.java in Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1 and Android-9, it is possible that package verification is turned off and remains off 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. Android ID: A-116754444.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.0 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-362Race Condition
Timeline
Published11 Feb 2019
Updated26 Oct 2026
First seen29 Sep 2026
Sources
CVE-2018-9586 · NVD
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