CVE-2018-9455 : What You Need to Know
Learn about CVE-2018-9455, a vulnerability in Android versions 6.0 to 8.1 that could lead to a denial of service attack. Find mitigation steps and prevention measures here.
A potential issue has been identified in the function sdpu_extract_attr_seq of the sdp_utils.cc file in Android, which could lead to a denial of service attack.
Understanding CVE-2018-9455
This CVE affects various versions of Android, from Android 6.0 to Android 8.1.
What is CVE-2018-9455?
CVE-2018-9455 is a vulnerability in the sdpu_extract_attr_seq function of the sdp_utils.cc file in Android. The issue stems from an incorrect boundary check, potentially allowing an attacker to read beyond allocated memory, leading to a denial of service attack.
The Impact of CVE-2018-9455
Exploiting this vulnerability could result in a denial of service attack without requiring additional privileges or user interaction. The affected products include multiple versions of Android.
Technical Details of CVE-2018-9455
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from an incorrect boundary check in the sdpu_extract_attr_seq function, allowing potential out-of-bounds memory read.
Affected Systems and Versions
- Product: Android
- Versions: Android-6.0, Android-6.0.1, Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1
Exploitation Mechanism
The vulnerability could be exploited remotely to trigger a denial of service attack without the need for additional execution privileges or user interaction.
Mitigation and Prevention
Protecting systems from CVE-2018-9455 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor communications for updates and advisories.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement network security measures to detect and prevent exploitation attempts.
- Conduct regular security audits and assessments.
- Educate users on safe computing practices.
Patching and Updates
Regularly check for security bulletins and updates from Google Inc. for Android to address CVE-2018-9455.