CVE-2018-6347 : Vulnerability Insights and Analysis

Proxygen by Facebook prior to v2018.12.31.00 is vulnerable to a denial-of-service attack due to HTTP2 header/trailer parsing issues.

Understanding CVE-2018-6347

This CVE involves a vulnerability in Proxygen's handling of HTTP2 headers/trailers, potentially leading to denial-of-service attacks.

What is CVE-2018-6347?

Proxygen versions before v2018.12.31.00 have a flaw in parsing headers/trailers in HTTP2, allowing attackers to launch denial-of-service attacks.

The Impact of CVE-2018-6347

The vulnerability can be exploited by malicious actors to disrupt services, causing denial of service to legitimate users.

Technical Details of CVE-2018-6347

Proxygen's vulnerability to denial-of-service attacks due to HTTP2 header/trailer parsing issues.

Vulnerability Description

Proxygen mishandles HTTP2 headers/trailers, enabling denial-of-service attacks.

Affected Systems and Versions

Product: Proxygen
Vendor: Facebook
Vulnerable Versions:
v2018.12.31.00 and earlier
Custom versions preceding v2018.12.31.00

Exploitation Mechanism

Attackers can exploit the HTTP2 header/trailer parsing flaw to trigger denial-of-service attacks.

Mitigation and Prevention

Steps to address and prevent CVE-2018-6347.

Immediate Steps to Take

Update Proxygen to version v2018.12.31.00 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate a denial-of-service attack.

Long-Term Security Practices

Regularly update and patch Proxygen to protect against known vulnerabilities.
Implement network security measures to detect and prevent denial-of-service attacks.

Patching and Updates

Apply security patches provided by Facebook for Proxygen to address the HTTP2 parsing vulnerability.