CVE-2018-19353 : Security Advisory and Response

CVE-2018-19353 was published on November 18, 2018, by MITRE. It involves a vulnerability in libansilove 1.0.0 that can be exploited by a crafted file to cause a denial of service (DoS) attack and application crash.

Understanding CVE-2018-19353

This CVE entry highlights a specific vulnerability in the ansilove_ansi function within libansilove 1.0.0, leading to potential security risks.

What is CVE-2018-19353?

The vulnerability in the ansilove_ansi function in libansilove 1.0.0 allows remote attackers to trigger a denial of service by exploiting an out-of-bounds read issue through a specially crafted file.

The Impact of CVE-2018-19353

The exploitation of this vulnerability can result in a denial of service (DoS) attack and application crash, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2018-19353

This section delves into the technical aspects of the CVE, providing insights into the vulnerability and its implications.

Vulnerability Description

The flaw in the ansilove_ansi function in loaders/ansi.c within libansilove 1.0.0 allows attackers to exploit an out-of-bounds read, leading to a DoS condition and application crash.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: libansilove 1.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by using a specially crafted file to trigger the out-of-bounds read in the ansilove_ansi function.

Mitigation and Prevention

Protecting systems from CVE-2018-19353 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update libansilove to a patched version, if available.
Avoid opening untrusted or suspicious files.
Monitor for any unusual system behavior that could indicate a DoS attack.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement file input validation to prevent exploitation through crafted files.

Patching and Updates

Ensure that the latest patches and updates for libansilove are applied to mitigate the vulnerability effectively.