CVE-2020-14392 : Vulnerability Insights and Analysis
Learn about CVE-2020-14392, a vulnerability in Perl-DBI < 1.643 that could allow a local attacker to cause memory corruption, impacting service availability. Find out how to mitigate and prevent this vulnerability.
An untrusted pointer dereference flaw in Perl-DBI < 1.643 could allow a local attacker to cause memory corruption, impacting service availability.
Understanding CVE-2020-14392
What is CVE-2020-14392?
CVE-2020-14392 is a vulnerability in Perl-DBI < 1.643 that could be exploited by a local attacker to manipulate calls and cause memory corruption.
The Impact of CVE-2020-14392
The vulnerability could lead to service unavailability due to memory corruption caused by an untrusted pointer dereference flaw in Perl-DBI < 1.643.
Technical Details of CVE-2020-14392
Vulnerability Description
An untrusted pointer dereference flaw in Perl-DBI < 1.643 allows a local attacker to manipulate calls to dbd_db_login6_sv(), resulting in memory corruption.
Affected Systems and Versions
- Product: perl-dbi
- Vendor: n/a
- Versions affected: perl-DBI before version 1.643
Exploitation Mechanism
The vulnerability can be exploited by a local attacker manipulating calls to dbd_db_login6_sv() in Perl-DBI < 1.643, leading to memory corruption.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security updates provided by the vendor.
- Monitor vendor advisories for patches and apply them promptly.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement least privilege access controls to limit potential attack surfaces.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure that the Perl-DBI software is updated to version 1.643 or higher to mitigate the vulnerability.