CVE-2020-15471 Explained : Impact and Mitigation
Learn about CVE-2020-15471 affecting nDPI through 3.2. Discover the impact, technical details, affected systems, exploitation, and mitigation steps for this heap-based buffer over-read vulnerability.
In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c.
Understanding CVE-2020-15471
In this CVE, a vulnerability in nDPI through version 3.2 exposes a heap-based buffer over-read.
What is CVE-2020-15471?
The vulnerability lies in the packet parsing code of nDPI, specifically in the ndpi_parse_packet_line_info function in lib/ndpi_main.c.
The Impact of CVE-2020-15471
The vulnerability could potentially be exploited by an attacker to trigger a heap-based buffer over-read, leading to a denial of service or information disclosure.
Technical Details of CVE-2020-15471
nDPI through version 3.2 is susceptible to a heap-based buffer over-read due to improper handling of packet parsing.
Vulnerability Description
The vulnerability arises from a flaw in the ndpi_parse_packet_line_info function in lib/ndpi_main.c, allowing for a heap-based buffer over-read.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions affected: n/a
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious network packets to trigger the heap-based buffer over-read.
Mitigation and Prevention
To address CVE-2020-15471, follow these steps:
Immediate Steps to Take
- Apply vendor patches or updates once available.
- Monitor vendor communications for security advisories.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network monitoring and intrusion detection systems.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure timely application of patches and updates provided by the vendor to remediate the vulnerability.