CVE-2020-35507 : Vulnerability Insights and Analysis

A vulnerability in binutils versions prior to 2.34 could allow an attacker to cause a NULL pointer dereference, impacting application availability.

Understanding CVE-2020-35507

This CVE involves a flaw in bfd_pef_parse_function_stubs of bfd/pef.c in binutils versions prior to 2.34.

What is CVE-2020-35507?

The vulnerability in binutils could be exploited by a crafted file processed by objdump, leading to a NULL pointer dereference.

The Impact of CVE-2020-35507

The primary risk associated with this vulnerability is the potential compromise of application availability.

Technical Details of CVE-2020-35507

This section provides detailed technical information about the CVE.

Vulnerability Description

The flaw in bfd_pef_parse_function_stubs of bfd/pef.c in binutils versions prior to 2.34 allows an attacker to trigger a NULL pointer dereference.

Affected Systems and Versions

Product: binutils
Vendor: n/a
Versions Affected: binutils 2.34

Exploitation Mechanism

The vulnerability can be exploited by submitting a specially crafted file to be processed by objdump.

Mitigation and Prevention

Protect your systems from CVE-2020-35507 with the following measures:

Immediate Steps to Take

Update binutils to version 2.34 or later.
Monitor for any unusual file processing activities.

Long-Term Security Practices

Implement file input validation mechanisms.
Conduct regular security audits and code reviews.

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerability.