Discover the impact of CVE-2020-6162 found in Bftpd 5.3, leading to an out-of-bounds read vulnerability that can crash the daemon. Learn how to mitigate and prevent exploitation.
An issue was discovered in Bftpd 5.3 where an out-of-bounds read is triggered due to an uninitialized value, causing the daemon to crash at startup.
Understanding CVE-2020-6162
What is CVE-2020-6162?
CVE-2020-6162 is a vulnerability found in Bftpd 5.3 that leads to an out-of-bounds read due to an uninitialized value, resulting in a crash during daemon startup.
The Impact of CVE-2020-6162
This vulnerability can be exploited under certain circumstances, potentially leading to a denial of service (DoS) condition by crashing the daemon.
Technical Details of CVE-2020-6162
Vulnerability Description
The issue arises in Bftpd 5.3, specifically in the hidegroups_init function in dirlist.c, where an out-of-bounds read occurs due to an uninitialized value.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by triggering the out-of-bounds read in Bftpd 5.3, causing the daemon to crash during startup.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Apply patches provided by the Bftpd project to fix the vulnerability and prevent potential exploitation.