CVE-2018-9491: Integer Overflow
First published: Mon Oct 01 2018(Updated: )
In AMediaCodecCryptoInfo_new of NdkMediaCodec.cpp, there is a possible out-of-bounds write due to an integer overflow. This could lead to remote code execution in external apps 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-111603051
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Android | =7.0 | |
| Android | =7.1.1 | |
| Android | =7.1.2 | |
| Android | =8.0 | |
| Android | =8.1 | |
| Android | =9.0 |
Remedy
https://android.googlesource.com/platform/frameworks/av/+/2b4667baa5a2badbdfec1794156ee17d4afef37c
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Reference Links
- http://www.securityfocus.com/bid/105484
- https://android.googlesource.com/platform/frameworks/av/+/2b4667baa5a2badbdfec1794156ee17d4afef37c
- https://source.android.com/security/bulletin/2018-10-01,
- https://source.android.com/security/bulletin/2018-10-01%2C
- https://source.android.com/docs/security/bulletin/2018-10-01 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2018-9491?
The severity of CVE-2018-9491 is considered high due to its potential for remote code execution.
How do I fix CVE-2018-9491?
To fix CVE-2018-9491, users should update their Android devices to the latest available version provided by Google.
Which versions of Android are affected by CVE-2018-9491?
CVE-2018-9491 affects Android versions 7.0, 7.1.1, 7.1.2, 8.0, 8.1, and 9.0.
What type of exploit is associated with CVE-2018-9491?
CVE-2018-9491 is associated with a remote code execution exploit that requires user interaction.
Is user interaction required to exploit CVE-2018-9491?
Yes, user interaction is required to exploit CVE-2018-9491.
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