CVE-2021-42341 Explained : Impact and Mitigation
Learn about CVE-2021-42341 affecting OpenRC before 0.44.7, causing memory corruption and potential system vulnerabilities. Find mitigation steps and preventive measures here.
OpenRC before version 0.44.7 is vulnerable to memory corruption due to improper string handling. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2021-42341
OpenRC has a vulnerability that leads to memory corruption.
What is CVE-2021-42341?
OpenRC's checkpath function allocates strings using strlen() directly, causing memory corruption by not considering the null byte at the end of the string.
The Impact of CVE-2021-42341
The vulnerability can result in memory corruption, potentially leading to system instability or unauthorized access.
Technical Details of CVE-2021-42341
Understand the specifics of the vulnerability.
Vulnerability Description
The issue arises from OpenRC's incorrect allocation of strings, leading to memory corruption.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions: All versions before 0.44.7 are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability to trigger memory corruption through maliciously crafted inputs.
Mitigation and Prevention
Discover how to address and prevent the CVE.
Immediate Steps to Take
- Update OpenRC to version 0.44.7 or above to mitigate the vulnerability.
- Monitor official sources for patches and updates.
Long-Term Security Practices
- Regularly update software to the latest versions to address known vulnerabilities.
- Conduct security audits to identify and remediate potential weaknesses.
Patching and Updates
Apply security patches promptly to fix identified vulnerabilities and enhance system security.