CVE-2020-35522 : Vulnerability Insights and Analysis
Learn about CVE-2020-35522, a memory malloc failure vulnerability in LibTIFF that can lead to a denial of service attack. Find out how to mitigate and prevent this issue.
In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.
Understanding CVE-2020-35522
In this CVE, a vulnerability in LibTIFF can be exploited to cause a denial of service attack.
What is CVE-2020-35522?
CVE-2020-35522 is a memory malloc failure vulnerability in LibTIFF that can be triggered by a specially crafted TIFF document, leading to a remote denial of service attack.
The Impact of CVE-2020-35522
This vulnerability allows an attacker to exploit LibTIFF, potentially causing a denial of service by crashing the application.
Technical Details of CVE-2020-35522
In-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability lies in a memory malloc failure in tif_pixarlog.c within LibTIFF.
Affected Systems and Versions
- Product: libtiff
- Version: libtiff 4.2.0
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious TIFF document to trigger the memory malloc failure.
Mitigation and Prevention
Protective measures against CVE-2020-35522.
Immediate Steps to Take
- Apply vendor patches promptly.
- Avoid opening untrusted TIFF files.
- Implement network security measures to detect and block malicious traffic.
Long-Term Security Practices
- Keep software and systems updated regularly.
- Conduct regular security audits and vulnerability assessments.
- Educate users on safe browsing habits and file handling.
Patching and Updates
Ensure that the affected systems are updated with the latest patches to mitigate the vulnerability.