CVE-2019-15143 : Security Advisory and Response

DjVuLibre 3.5.27's bitmap reader component has a vulnerability that can lead to a denial-of-service error due to resource exhaustion. Attackers can exploit this by creating a corrupted image file.

Understanding CVE-2019-15143

This CVE involves a vulnerability in DjVuLibre 3.5.27 that can be exploited to trigger a denial-of-service error.

What is CVE-2019-15143?

In DjVuLibre 3.5.27, attackers can exploit a vulnerability in the bitmap reader component, causing a denial-of-service error due to resource exhaustion from an infinite loop in GBitmap::read_rle_raw function.

The Impact of CVE-2019-15143

The vulnerability allows attackers to create a corrupted image file, leading to a denial-of-service error. This issue is related to specific files within DjVuLibre.

Technical Details of CVE-2019-15143

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in DjVuLibre 3.5.27's bitmap reader component enables attackers to trigger a denial-of-service error by exploiting an infinite loop in GBitmap::read_rle_raw function.

Affected Systems and Versions

Product: DjVuLibre 3.5.27
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a corrupted image file, which triggers the resource exhaustion error.

Mitigation and Prevention

Protecting systems from CVE-2019-15143 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security updates and patches promptly.
Implement file integrity checks to detect corrupted image files.

Long-Term Security Practices

Regularly monitor for security advisories related to DjVuLibre.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that all relevant security updates and patches for DjVuLibre are applied to mitigate the risk of exploitation.