CVE-2017-8395 : What You Need to Know

The GNU Binutils version 2.28 contains a vulnerability in the Binary File Descriptor (BFD) library, leading to crashes in programs like objcopy.

Understanding CVE-2017-8395

This CVE involves an invalid write operation due to a missing memory allocation check in the _bfd_generic_get_section_contents function.

What is CVE-2017-8395?

The vulnerability in the BFD library of GNU Binutils 2.28 triggers crashes in programs using the library for binary program analysis.

The Impact of CVE-2017-8395

The absence of a check on memory allocation can result in crashes, affecting the stability and reliability of programs utilizing the libbfd library.

Technical Details of CVE-2017-8395

The technical aspects of this CVE include:

Vulnerability Description

The vulnerability involves an invalid write operation of size 8 due to the absence of a check on memory allocation in the _bfd_generic_get_section_contents function.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions using GNU Binutils 2.28

Exploitation Mechanism

The vulnerability is exploited by triggering an invalid write operation in the _bfd_generic_get_section_contents function, leading to crashes in programs using the libbfd library.

Mitigation and Prevention

To address CVE-2017-8395, consider the following:

Immediate Steps to Take

Update to a patched version of GNU Binutils to mitigate the vulnerability.
Monitor vendor advisories for any specific guidance on addressing this issue.

Long-Term Security Practices

Regularly update software and libraries to ensure the latest security patches are applied.
Implement secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Apply patches provided by the vendor to fix the vulnerability and enhance the security of the affected systems.