CVE-2017-2628 : Security Advisory and Response

CVE-2017-2628 was published on March 12, 2018, affecting the curl package in Red Hat Enterprise Linux 6. This CVE stems from an improper backport of a fix for a previous vulnerability, impacting versions prior to 7.19.7-53.

Understanding CVE-2017-2628

This CVE highlights a specific issue within the curl package in Red Hat Enterprise Linux 6.

What is CVE-2017-2628?

The vulnerability in CVE-2017-2628 is a result of an inaccurate backport of a fix for a previous CVE (CVE-2015-3148) in the curl package included in Red Hat Enterprise Linux 6.

The Impact of CVE-2017-2628

This vulnerability exclusively affects curl in RHEL 6.7, potentially leading to security breaches and unauthorized access due to the improper substitution of defines.

Technical Details of CVE-2017-2628

CVE-2017-2628 involves the following technical aspects:

Vulnerability Description

The issue arises from the improper backport of a fix for CVE-2015-3148, leading to a misrepresentation of the HAVE_GSSAPI define with USE_HTTP_NEGOTIATE.

Affected Systems and Versions

Product: curl
Vendor: Red Hat, Inc.
Affected Version: 7.19.7-53

Exploitation Mechanism

The vulnerability can be exploited by attackers to potentially gain unauthorized access or execute malicious activities on systems running the affected version of curl.

Mitigation and Prevention

To address CVE-2017-2628 and enhance overall system security, consider the following mitigation strategies:

Immediate Steps to Take

Update the curl package to version 7.19.7-53 or later.
Monitor for any unauthorized access or unusual activities on systems.

Long-Term Security Practices

Regularly update software packages to ensure the latest security patches are applied.
Conduct security audits and vulnerability assessments periodically to identify and address potential risks.

Patching and Updates

Stay informed about security advisories and updates from Red Hat to promptly address any new vulnerabilities or patches.