CVE-2019-9075 : What You Need to Know

A problem was found in the Binary File Descriptor (BFD) library (also known as libbfd) present in GNU Binutils version 2.32. The issue pertains to a heap-based buffer overflow occurring in _bfd_archive_64_bit_slurp_armap function found in archive64.c.

Understanding CVE-2019-9075

What is CVE-2019-9075?

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.32. It is a heap-based buffer overflow in _bfd_archive_64_bit_slurp_armap in archive64.c.

The Impact of CVE-2019-9075

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the heap-based buffer overflow.

Technical Details of CVE-2019-9075

Vulnerability Description

The vulnerability is a heap-based buffer overflow in the _bfd_archive_64_bit_slurp_armap function in archive64.c in GNU Binutils 2.32.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: GNU Binutils version 2.32

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a heap-based buffer overflow, potentially leading to arbitrary code execution or denial of service.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by the software vendor.
Monitor vendor advisories and security mailing lists for updates.
Implement strict input validation to prevent buffer overflows.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Conduct security assessments and code reviews to identify and address vulnerabilities.

Patching and Updates

Check for patches and updates from the GNU Binutils vendor.