CVE-2021-42782 : Vulnerability Insights and Analysis
Learn about CVE-2021-42782, a stack buffer overflow issue in Opensc before version 0.22.0. Find out how to mitigate the vulnerability and protect your systems.
A stack buffer overflow vulnerability was discovered in Opensc before version 0.22.0, potentially leading to program crashes.
Understanding CVE-2021-42782
Stack buffer overflow in Opensc.
What is CVE-2021-42782?
Opensc prior to version 0.22.0 is susceptible to stack buffer overflow problems, which could result in program crashes when the library is utilized.
The Impact of CVE-2021-42782
The vulnerability could be exploited by malicious actors to cause denial of service (DoS) attacks or potentially execute arbitrary code.
Technical Details of CVE-2021-42782
Opensc stack buffer overflow issue.
Vulnerability Description
Opensc before version 0.22.0 has stack buffer overflow problems in various areas, posing a risk of crashes for programs utilizing the library.
Affected Systems and Versions
- Vendor: n/a
- Product: opensc
- Version: opensc 0.22.0
- Status: affected
Exploitation Mechanism
Attackers can leverage the stack buffer overflow vulnerability to crash programs using Opensc, potentially leading to DoS or arbitrary code execution.
Mitigation and Prevention
Steps to address CVE-2021-42782.
Immediate Steps to Take
- Update Opensc to version 0.22.0 or later to mitigate the vulnerability.
- Monitor vendor advisories and apply patches promptly.
Long-Term Security Practices
- Regularly update software to ensure the latest security fixes are in place.
- Conduct security audits to identify and address vulnerabilities proactively.
Patching and Updates
Stay informed about security updates and patches provided by Opensc to protect systems from potential exploits.