CVE-2020-6151 Explained : Impact and Mitigation

A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear 19.7. An attacker can exploit this vulnerability by providing a specially crafted malformed file to trigger memory corruption.

Understanding CVE-2020-6151

This CVE involves a memory corruption vulnerability in Accusoft ImageGear 19.7 due to a flaw in handling TIFF files.

What is CVE-2020-6151?

The vulnerability in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear 19.7 allows an attacker to cause memory corruption by providing a malicious file.

The Impact of CVE-2020-6151

The vulnerability has a CVSS base score of 8.1, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2020-6151

This section provides more in-depth technical details of the vulnerability.

Vulnerability Description

A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear 19.7, allowing attackers to trigger memory corruption with a specially crafted file.

Affected Systems and Versions

Product: Accusoft
Version: Accusoft ImageGear 19.7

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

To address CVE-2020-6151, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Avoid opening files from untrusted sources.
Implement file type validation mechanisms.

Long-Term Security Practices

Regularly update software and security patches.
Conduct security training to raise awareness of file handling best practices.

Patching and Updates

Check for updates from Accusoft and apply patches as soon as they are available.