CVE-2017-11114 : Exploit Details and Defense Strategies

A buffer over-read vulnerability in Twibright Links 2.14 can lead to a denial of service when exploited by remote attackers through a malicious HTML file.

Understanding CVE-2017-11114

This CVE involves a specific vulnerability in Twibright Links 2.14 that can be exploited remotely, potentially causing a denial of service.

What is CVE-2017-11114?

The vulnerability lies in the put_chars function of html_r.c in Twibright Links 2.14, allowing remote attackers to trigger a buffer over-read by using a crafted HTML file, resulting in a denial of service.

The Impact of CVE-2017-11114

Exploitation of this vulnerability can lead to a denial of service, disrupting the normal operation of the affected system.

Technical Details of CVE-2017-11114

This section provides more technical insights into the CVE.

Vulnerability Description

The put_chars function in html_r.c in Twibright Links 2.14 is susceptible to remote attacks that can cause a denial of service due to a buffer over-read triggered by a specially crafted HTML file.

Affected Systems and Versions

Product: Twibright Links 2.14
Vendor: Twibright
Versions: All versions are affected

Exploitation Mechanism

The vulnerability can be exploited remotely by sending a malicious HTML file to the target system, specifically targeting the put_chars function in html_r.c.

Mitigation and Prevention

Protecting systems from CVE-2017-11114 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate risks.

Patching and Updates

Stay informed about security advisories related to Twibright Links 2.14.
Monitor vendor announcements for patches and updates to address CVE-2017-11114.