CVE-2019-5435 : What You Need to Know

CVE-2019-5435 was published on May 28, 2019, and affects the 'curl' product. The vulnerability involves an integer overflow in curl's URL API, leading to a buffer overflow in libcurl versions 7.62.0 to 7.64.1.

Understanding CVE-2019-5435

This CVE entry highlights a critical security issue in the curl library that could potentially be exploited by attackers.

What is CVE-2019-5435?

An integer overflow in curl's URL API results in a buffer overflow in libcurl versions 7.62.0 to 7.64.1, inclusive.

The Impact of CVE-2019-5435

The vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2019-5435

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

Vulnerability Description

The URL API of curl experiences an integer overflow, leading to a buffer overflow in libcurl versions 7.62.0 to 7.64.1.

Affected Systems and Versions

Product: curl
Vendor: curl
Versions Affected: 7.62.0 to 7.64.1 (inclusive)
Fixed Version: 7.65.0

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious URL that triggers the buffer overflow, potentially leading to arbitrary code execution.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update curl to version 7.65.0 or later to mitigate the vulnerability.
Monitor for any unusual network activity that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to the latest versions to patch known vulnerabilities.
Implement network security measures to detect and block malicious traffic.

Patching and Updates

Stay informed about security advisories and patches released by the curl project.
Apply security updates promptly to ensure the protection of your systems.