CVE-2020-21535 : What You Need to Know
Learn about CVE-2020-21535, a vulnerability in fig2dev 3.2.7b that triggers a segmentation fault in the gencgm_start function. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
fig2dev 3.2.7b contains a segmentation fault in the gencgm_start function in gencgm.c.
Understanding CVE-2020-21535
fig2dev 3.2.7b has a vulnerability that leads to a segmentation fault in the gencgm_start function.
What is CVE-2020-21535?
This CVE refers to a specific vulnerability in fig2dev 3.2.7b that triggers a segmentation fault in the gencgm_start function within the gencgm.c file.
The Impact of CVE-2020-21535
The vulnerability can potentially allow attackers to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2020-21535
fig2dev 3.2.7b is affected by a segmentation fault vulnerability in the gencgm_start function.
Vulnerability Description
The issue arises due to improper handling of certain inputs, leading to a segmentation fault.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 3.2.7b
Exploitation Mechanism
Attackers can exploit this vulnerability by providing specially crafted inputs to the gencgm_start function, triggering a segmentation fault.
Mitigation and Prevention
Immediate Steps to Take:
- Apply the security update provided by the vendor.
- Avoid running fig2dev on untrusted inputs.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement input validation mechanisms to prevent malformed inputs.
Patching and Updates
Ensure that the latest security patches and updates are installed to mitigate the vulnerability.