CVE-2020-8927 : Vulnerability Insights and Analysis
Learn about CVE-2020-8927, a buffer overflow vulnerability in the Brotli library versions prior to 1.0.8. Update to version 1.0.8 or later to prevent crashes triggered by input length manipulation.
A buffer overflow vulnerability exists in the Brotli library versions prior to 1.0.8, allowing an attacker to trigger a crash by controlling the input length of a decompression request. This can occur when copying data larger than 2 GiB. It is crucial to update to Brotli 1.0.8 or later to mitigate this issue.
Understanding CVE-2020-8927
This CVE identifies a buffer overflow vulnerability in the Brotli library that could lead to a crash under specific conditions.
What is CVE-2020-8927?
CVE-2020-8927 is a buffer overflow vulnerability in the Brotli library versions prior to 1.0.8, allowing an attacker to cause a crash by manipulating the input length of a decompression request.
The Impact of CVE-2020-8927
The vulnerability can be exploited by an attacker to crash systems running affected versions of the Brotli library, potentially leading to denial of service.
Technical Details of CVE-2020-8927
This section provides technical details about the vulnerability.
Vulnerability Description
A buffer overflow vulnerability in the Brotli library versions prior to 1.0.8 allows an attacker to trigger a crash by controlling the input length of a decompression request.
Affected Systems and Versions
- Product: Brotli
- Vendor: Google LLC
- Versions affected: <= 1.0.7 (stable)
Exploitation Mechanism
The vulnerability can be exploited by an attacker manipulating the input length of a decompression request, causing a crash when copying data larger than 2 GiB.
Mitigation and Prevention
It is essential to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update the Brotli library to version 1.0.8 or later to mitigate the buffer overflow vulnerability.
- If updating is not possible, consider using the