SB2018100215 - Input validation error in Google, Google Android

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2018-9452)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

In getOffsetForHorizontal of Layout.java, there is a possible application hang due to a slow width calculation. This could lead to remote denial of service if a contact with many hidden unicode characters were sent to the device and used by a local app, with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0 Android ID: A-78464361

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/105484
• https://android.googlesource.com/platform/frameworks/base/+/3b6f84b77c30ec0bab5147b0cffc192c86ba2634
• https://android.googlesource.com/platform/frameworks/base/+/54f661b16b308cf38d1b9703214591c0f83df64d,
• https://source.android.com/security/bulletin/2018-10-01,