CVE-2017-12967 : Vulnerability Insights and Analysis

A vulnerability exists in the getsym function found within the tekhex.c file of the Binary File Descriptor (BFD) library, affecting GNU Binutils version 2.29. Exploiting this vulnerability could lead to a denial of service by causing a stack-based buffer over-read and crashing the application.

Understanding CVE-2017-12967

This CVE involves a vulnerability in the BFD library that could be exploited to trigger a denial of service attack.

What is CVE-2017-12967?

The getsym function in tekhex.c in the BFD library allows remote attackers to cause a denial of service via a malformed tekhex binary.

The Impact of CVE-2017-12967

The vulnerability could result in a denial of service attack, specifically causing a stack-based buffer over-read and application crash.

Technical Details of CVE-2017-12967

This section provides technical details about the vulnerability.

Vulnerability Description

The getsym function in tekhex.c in the BFD library allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a malformed tekhex binary.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: GNU Binutils version 2.29

Exploitation Mechanism

The attack vector involves using a malformed tekhex binary to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2017-12967 is crucial to prevent potential attacks.

Immediate Steps to Take

Apply patches provided by the vendor promptly.
Monitor security advisories for updates and mitigation strategies.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement network security measures to detect and block malicious activities.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure timely application of patches and updates to mitigate the vulnerability effectively.