CVE-2017-2428 : Security Advisory and Response

Certain Apple products have been found to have a problem related to the "HTTPProtocol" component of nghttp2 before version 1.17.0, affecting various versions of iOS, macOS, tvOS, and watchOS.

Understanding CVE-2017-2428

This CVE entry highlights a vulnerability in certain Apple products that could be exploited by remote HTTP/2 servers.

What is CVE-2017-2428?

The issue in CVE-2017-2428 allows remote HTTP/2 servers to potentially cause an unknown impact through unspecified vectors due to a flaw in the "HTTPProtocol" component of nghttp2 before version 1.17.0.

The Impact of CVE-2017-2428

The vulnerability affects iOS versions prior to 10.3, macOS versions before 10.12.4, tvOS versions before 10.2, and watchOS versions before 3.2, potentially enabling remote servers to exploit the flaw.

Technical Details of CVE-2017-2428

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The vulnerability lies in the "HTTPProtocol" component of nghttp2 before version 1.17.0, allowing remote HTTP/2 servers to exploit unspecified vectors.

Affected Systems and Versions

iOS versions prior to 10.3
macOS versions before 10.12.4
tvOS versions before 10.2
watchOS versions before 3.2

Exploitation Mechanism

The flaw in nghttp2 before version 1.17.0 enables remote HTTP/2 servers to potentially cause an unknown impact through unspecified vectors.

Mitigation and Prevention

To address CVE-2017-2428, consider the following mitigation strategies:

Immediate Steps to Take

Update affected Apple products to the latest versions.
Monitor official Apple security advisories for patches and updates.

Long-Term Security Practices

Regularly update software and firmware to mitigate known vulnerabilities.
Implement network security measures to detect and prevent potential exploits.

Patching and Updates

Apply patches provided by Apple for the affected products to address the vulnerability.